Adjusting Mechanical Watch Day/Date Precautions & Best Time To Change Date - Watch And Learn #36

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  • Опубликовано: 27 окт 2024

Комментарии • 378

  • @FrostywaveRadio
    @FrostywaveRadio 5 лет назад +8

    I've been on youtube since its inception. I'm not into watches. This is the best video that I've watched in all of RUclips. Informative, to the point, no fillers, speaks clearly, knowledged, clear video. Thank you very much.

  • @taegonlee8625
    @taegonlee8625 7 лет назад +30

    Long Island Watch University with Professor Marc. Makes me appreciate the intricacies in even a basic watch like the Seiko 5.

  • @fabriziodutto7508
    @fabriziodutto7508 4 года назад +4

    This video will be mandatory to watch for every Seiko owner!! Thank you so much!

  • @feralfeline6137
    @feralfeline6137 7 лет назад +85

    Cool video. It's a terrible engineering/design flaw. An end user shouldn't be able to destroy a watch by turning the crown. Imagine destroying your television by pressing a button on the remote. You need to design products to be idiot proof.

    • @islandwatch
      @islandwatch  7 лет назад +22

      LOL. I would agree with that!

    • @asdfkie
      @asdfkie 6 лет назад +1

      Sjaak De Vries exactly... this is ridiculous

    • @CompetentSalesUSA
      @CompetentSalesUSA 5 лет назад

      Sjaak De Vries that’s a good way to sell more watches.

    • @mkien2005
      @mkien2005 4 года назад

      Exactly! Even a certain engineer tend to break the gears too *wink* *wink* (you know who) 😂😂

    • @MrMadvillan
      @MrMadvillan 4 года назад +3

      you sould try this maybe. start your car, keep in in park or neutral, then press the petal until it hits the rev limiter. now this is the important part, keep it there until you engine blows up.

  • @renevalionus1227
    @renevalionus1227 7 лет назад +51

    Very informative Marc and as already mentioned very well done!

  • @glennmathisen2537
    @glennmathisen2537 2 года назад +2

    Brilliant explanation! I accidently changed the date at the wrong time on a new watch and freaked out. It still works, and like someone else said, calmed me down enough to know I didn't break anything. After seeing this I will definatly be more careful with the date setting from now on. Thank you. This was really helpful and Interesting.

    • @chrisvda88
      @chrisvda88 2 года назад

      I just got my first automatic and out of the box the time was set at around noon or 11:30, it was also date transitioning. I went to pull to second position to change time and going through the first position the crown shifted the date as I pulled it out, now I’m kinda freaking out.

  • @3rdstone1
    @3rdstone1 5 лет назад +2

    This is of course very informative, but what I love most about this video is how you manage to make it really fascinating showing us how these mechanical things interact, and how fragile parts of this machinery really can be. I've just recently discovered your channel, and are going through your Watch and Learn vids.
    So far, this was the most fascinating one. Great job!

  • @thibodaux3424
    @thibodaux3424 2 года назад +1

    Thanks so much for all the details Mark! I'm an engineer myself so I love having detailed knowledge about how something works.

  • @spookyspoots
    @spookyspoots 7 лет назад +16

    That was super interesting! I'd love to see a video on why it's not recommended to set the time by turning the hands counter-clockwise, how that affects the day/date, and why the second hand jumps around on cheaper movements. Also, how do some of the instant date-change mechanisms work, and can they be broken in a similar way, like say, between 11:59 and 12:01 or something? This is a great series.

  • @RampartPh
    @RampartPh 6 лет назад +2

    this vid helped me understand the intricacies of adjusting time and date on an automatic. being a newbie, this is very helpful

  • @714rsturk
    @714rsturk 7 лет назад +6

    Excellent. Taking an automatic watch apart always seemed so difficult to do. You couldn't have done a better description of what's involved. The best channel for learning about the inner makings of a timepiece. I thank you for spreading your knowledge on a subject few would even try. Keep them coming, I've learned more from your channel then any manuals could show you. Another great video from Long island watch company.
    Do you sell a repair kit, or recommend a repair kit that would allow me to strip down an automatic watch to make these kinds of repairs. Thanks for your time, Rob

    • @islandwatch
      @islandwatch  7 лет назад

      Hello Rob - thanks for your message. The TSA7003 or TSA9011 kits we sell are great for fooling around.

  • @thegit8698
    @thegit8698 7 лет назад +1

    This has been one of the best if not the actual best watch and learn videos, I've seen so far, i did change the day and date on my Seiko 5 when i first got it and it was near enough midnight by the time i was able to get the watch out of the box and set it up and of course I didn't read this manual so i set the time then the day/date, i was horrified when i saw that i wasn't supposed to do that and bloody relieved when i saw that i hadn't damaged my lovely new watch that i had to save for almost a year to buy, damn lucky.

    • @islandwatch
      @islandwatch  6 лет назад

      Thanks for watching, and now you know!

    • @jdm2651
      @jdm2651 6 лет назад

      You had not damaged it because it has protection against that. ruclips.net/video/9EuHG1bYPKs/видео.html

  • @whiskyguzzler982
    @whiskyguzzler982 7 лет назад +28

    This also helped put my mind at ease over having accidentally done this once. Thanks!

    • @islandwatch
      @islandwatch  7 лет назад +1

      Yes, you are probably OK!

    • @DC-oy3gk
      @DC-oy3gk 5 лет назад

      I did it too last week. I'm still new to automatic watches and I was dumb not to read the manual. I turned the crown a few times at 12 pm to change the day. I got so worried that I might brake the day&date that I have been keeping an eye on the day&date change ever since. What I've noticed is that the date changes inconsistently, sometimes at 23:57, sometimes at 23:56. Not sure about the day though, because I always fall asleep right after I watch the date change. Does this mean it's broken?

    • @TheZeSnow
      @TheZeSnow 4 года назад +1

      @@DC-oy3gk I don't know, I'm not a watch expert but I've seen it happen on my watch aswell, personally it works just fine

    • @danielthomas1859
      @danielthomas1859 3 года назад +1

      Did this once and broke my Seiko 5

  • @Simonr501
    @Simonr501 4 года назад

    Thank you SO much Marc! I made the same mistake as some of the others and was worried sick that I had damaged the mechanism. Amazing to see what is going on 'under the hood'. No damage done!

  • @chienlinchen8877
    @chienlinchen8877 7 лет назад +3

    Thank you for this informative video Marc.
    For me, this basic Seiko movement is already a piece of ingenious creation.
    Now, just imagine something like annual calendar, moonphase or other mechanical marvels!

  • @BarnOwl61
    @BarnOwl61 7 лет назад +4

    Thank you Mark, very educational. Seeing is believing! I did feel a little sorry for the little Seiko. I love them so much!

  • @adampluta9414
    @adampluta9414 7 лет назад +1

    Pure knowledge for me, absolutely great. Thank You Sir ⏱⌚️
    I usually do one way "full circle" when setting my watch - always getting to 12 O'clock midnight (and later 2,3 a.m.) when the date and day change and turning it untill current time. 4R36 Seiko 2nd gen Monster.

  • @viktj7
    @viktj7 6 лет назад

    Ever since I started collecting watches I knew this, but never really understood what was really happening in the movement itself , thank you Marc!

  • @pltorok0515
    @pltorok0515 7 лет назад

    Mark, I love all you Watch and Learns, but think this is one of my favorite. Keep expanding our minds! Thanks

  • @ghostindamachine
    @ghostindamachine 6 лет назад

    Marc, you are a true hero, sharing your knowledge in the form like this!

  • @brianmsahin
    @brianmsahin 3 года назад

    Great. I was actually lucky and changed my day and date on my Seiko Sports 5 SRPD51K2 during the safe period.......before reading the manual.. I felt lucky when I found this information AFTERWARDS! I now know...thanks for the video!

  • @GuitaristZep
    @GuitaristZep Год назад

    Thank you so much this gave me peace of mind because I didn't know about the danger zone and I set the day on my Seiko 5 during 1:30am when the day is already showing the 2nd language (Spanish). I didn't feel anything being forced and everything runs smoothly.

    • @animikhchakrabarty
      @animikhchakrabarty Год назад

      is it still working fine? because i did the EXACT SAME thing because I thought the different lang. was showing by mistake

  • @waukee321
    @waukee321 10 месяцев назад

    Intriguing, great video and excellent close-up microscopic filming of these watch day/date functions. Thank you. When my mechanical watches stop and need winding, I can fortunately just turn the crown from the base position to wind it up. If it requires a rotor wind up then I just have to shake the watch enough to get it to go. Now, if the hour hand is in the 9 to 3 danger zone, I just let the watch run to get it past that time frame. Sometimes I don't even know if that could be AM or PM. Don't want to take any chances. A few times I pulled the stem all the way out for the time setting when it was in that zone but I don't think that caused any damage to the date or day wheels. I have a watch that has a month wheel and I thought it would advance the month after the 31st but it didn't .The person who looked at it said you have to do that manually via a pusher. Thanks so much again, loved the video!

  • @iispanovic
    @iispanovic 4 года назад

    Just bought an skx007 and your video simply explained everything I need 👍

  • @paulbrady8107
    @paulbrady8107 7 лет назад +2

    Hi Marc another great watch and learn, you are one of the Internets good guys.you are a very passionate and interesting human being. 👍 Thank you for taking the time to explain the machinations to me and all who want to be educated about how these little time telling devices we wear on our wrists work or don't work.I still believe you missed you're calling to be a teacher.👍

    • @islandwatch
      @islandwatch  7 лет назад

      Thank you! I appreciate the kind words.

    • @gregcushing1716
      @gregcushing1716 5 лет назад

      I'll say that Marc is a teacher,who happens to work in the watch industry.

  • @andrewquick1609
    @andrewquick1609 7 лет назад +2

    Really good Marc, thanks for taking the time to deconstruct this for us 🖒

    • @islandwatch
      @islandwatch  7 лет назад +1

      Actually deconstructed two watches. haha!

  • @chrisdoyle205
    @chrisdoyle205 5 лет назад

    Great video! The visual really helps to understand why not to change the day/date between 9pm-3am and shows the consequences! Also If its an affordable watch then it's probably not cost effective to repair after that and the watch is now junk. Cool to see that. Thanks!

  • @pansarakariyawasam8686
    @pansarakariyawasam8686 6 лет назад

    I'm literally addicted to these episodes!

    • @islandwatch
      @islandwatch  6 лет назад

      There are worse things to be addicted to.

  • @ngunguyenthanh5965
    @ngunguyenthanh5965 3 года назад

    Super helpful video. Love the zoom in cam and the detailed explanations. Very useful for a beginner like me to learn.

  • @7rslender
    @7rslender 7 лет назад

    Great explenation Marc. Now I do understand why I should not quick change the date between 21.00h and 03.00h.
    Thank you.

  • @sekolahonlineteknikotomotif
    @sekolahonlineteknikotomotif 3 года назад

    This video is the reason I subscribed

  • @cornycogwheels
    @cornycogwheels 7 лет назад +10

    Thank you for this video, Marc, it's really informative and helps a lot :)

  • @Mengelaus
    @Mengelaus 7 лет назад +1

    Wow man, best episode so far!! I love those things under the microscope, you have to do it again sometimes!

  • @TheLala9la
    @TheLala9la Год назад

    Thanks so much for all the details

  • @samardan1782
    @samardan1782 2 месяца назад

    Bravo Marc.

  • @BenoitStPierre
    @BenoitStPierre 7 лет назад

    Love these videos showing the inner workings!

  • @VictorC1891
    @VictorC1891 7 лет назад

    I need to say it again, your videos are very good excellent work Mark !
    At first i said to myself, why the industry become so cheap and they made the wheels from plastic. But i realized they made them out of plastic intentionally so they can be broken down, if to much force is applied on them, in order to cause less damage to the mechanism.

    • @islandwatch
      @islandwatch  7 лет назад

      Correct; it is the weak link on purpose, though it isn't in the most convenient location. Also, no lubrication is necessary.

    • @VictorC1891
      @VictorC1891 7 лет назад +1

      That is interesting so when i was struggling to oil the damn thing, i was struggling for nothing. :-))

  • @fayeh4412
    @fayeh4412 4 года назад

    Excellent video Mark! Very educational, loved it.

  • @robhann99
    @robhann99 7 лет назад +1

    Excellent video Mark. Thanks.

  • @wissamal-ashaq7575
    @wissamal-ashaq7575 7 лет назад

    Super cool video, this is one of the best produced watch learning video in the net, this is taking the channel to the next level, please keep the good work..LIKE all the way..

    • @islandwatch
      @islandwatch  7 лет назад

      Thanks so much. Is there another watch learning channel :)

  • @denisticic5150
    @denisticic5150 7 лет назад +1

    Very well done video, thanks Marc !

  • @jamesejudy3
    @jamesejudy3 5 лет назад

    These vids are ridiculously interesting!
    Thanks so much for making them.

  • @andymci5981
    @andymci5981 7 лет назад

    Marc...congratulations on this excellent video. The level is ideal and fascinating for enthusiasts. Well done. Rgds Andy McI.

  • @StormShoukhan
    @StormShoukhan 7 лет назад +1

    Absolutely fascinating! Nicely done!

  • @apax2901
    @apax2901 6 лет назад

    Damn I fucking love this Channel!
    Like u said it in the description we all heard it and know it but no one knows exactly why. Great Video thumbs up 👍🏼

  • @Iiheosnjabskidbxbd
    @Iiheosnjabskidbxbd 3 года назад +2

    Can Seiko 6l35 be set time in counterclockwise direction ? Thank you 😊

  • @scuba453
    @scuba453 7 лет назад

    Great vid and explanation (as always)....I take it that adjusting the date backwards is a big NO NO.

    • @islandwatch
      @islandwatch  7 лет назад

      Well, on the Seiko, you cannot. It simply doesn't allow for it; the gears push out of the way.

  • @FitOutPost
    @FitOutPost 7 лет назад +1

    Very cool. Thanks for this lesson.

  • @ronaldgriffiths4301
    @ronaldgriffiths4301 7 лет назад +1

    Fantastic guide to what actually happened inside the body of the watch, do all watches have plastic components like the one shown, e.g. Rolex etc. ?? Amazing construction of mechanical watches. Totally engrossed viewing.

  • @markbaker2620
    @markbaker2620 3 года назад

    Excellent tutorial

  • @wpherigo1
    @wpherigo1 6 лет назад

    Just awesome Marc. Also explains some of the cost differences. 7s26 is so in expensive because of fewer metal parts, I guess.

  • @99thVeil
    @99thVeil 7 лет назад +1

    Hi Marc, I really love this Watch and Learn series. I wonder if you could make a video explaining how an automatic rotor can wind the mainspring of a watch while the watch is running. I have watched many mechanical watch videos (including your mechanical v. quartz movement video) and this is still a mystery to me. I can't warp my head around how the mainspring is gaining tension while also losing tension via the escapement.

    • @islandwatch
      @islandwatch  7 лет назад +1

      Okay, will consider, thank you!

  • @romeotampo52
    @romeotampo52 4 года назад

    thanks for the knowledge you have showed

  • @porschephile2k3
    @porschephile2k3 5 лет назад +1

    This is very informative. What about if you set the time as it turns, but not necessarily just the day/date... will that cause the same type of damage?

  • @eatabagel
    @eatabagel 7 лет назад +15

    14:55, "It's all really... I guess just friction, gravity, physics, call it what you want."
    It's watch elves.

  • @huytranle8853
    @huytranle8853 3 года назад

    Thank you Marc.

  • @SnakeFeeder
    @SnakeFeeder 7 лет назад +1

    Great video! Love your work.

  • @GR-gq1us
    @GR-gq1us 4 года назад

    Mark thanks a lot for this video. You are the man! Happy New Year!🎊

  • @s3dsiy
    @s3dsiy 7 лет назад

    Channel is very beautiful. And continuous creativity. I wish you more success. I am your friend from Saudi Arabia Saad. And greetings to you

  • @jacobvanroeyen
    @jacobvanroeyen 7 лет назад +1

    thanks you for explaining so clearly marc :)

  • @afcordeiro2713
    @afcordeiro2713 6 лет назад

    great video . very informative and addresses the issue perfectly

  • @andreashuttenlocher
    @andreashuttenlocher 7 лет назад

    Great work Marc!

  • @amoblahblah
    @amoblahblah 6 лет назад

    Your videos are awesome - thank you for making them! I'll be buying from you in the future.

  • @samd.5203
    @samd.5203 7 лет назад

    Nicely done professor!!

  • @brGiel
    @brGiel 7 лет назад +1

    Nice video! Thanx Marc

  • @tubeniwes
    @tubeniwes 7 лет назад +7

    so we are not to change the date/day bet 9pm and 3am (i'm assuming at the 1st position of the crown, but any harm if we change it by turning the hands instead (at the 2nd position of the crown)?

  • @DaveZula
    @DaveZula 6 лет назад

    These videos are great. Thanks Marc!

  • @Leptospirosi
    @Leptospirosi 7 лет назад

    Thanks Mark: informative as always!

  • @fluffyfreak505
    @fluffyfreak505 7 лет назад

    awesome video! always wondered what the big todo was about this, glad to know now

  • @BoBurson
    @BoBurson 6 лет назад

    Awesome video. Thanks!

  • @jonnaleenojonaleeno4786
    @jonnaleenojonaleeno4786 6 лет назад

    I really enjoyed the video Mark and it was indeed unfortunate you did'nt catch it getting clobbered on video . Slow motion please if possible for the retake in a future example of what can happen if you mess with date and time adjustments at the wrong time . I have a Seiko Kenetic Auto Relay which I had bought on a holiday to Denver about twenty years ago . It has never missed a beat and I'm still wearing it to this day . As I've clocked a few miles up as the hours , minutes , and seconds have passed , the only maintance necessary was because my wraist had lost weight and I've had to remove four links . I've gone through three girlfriends a dozen high insurance cars , and the only thing I've got left is my trusty old Seiko , which has never required any maintance , which is more than I can say for Jane, Sonia and Joan ! . All the best Mark , With kind regards from Jonathan , in Belfast Northern Ireland United Kingdom . Ps...has any-one seen Jane ? . Keep up the hard work as your vids are great .

  • @chrissullins3
    @chrissullins3 7 лет назад +1

    Excellent demonstration. I recently bought a no date automatic so this won't be an issue. I sometimes miss the date function when I have to fill out some paperwork, but when I'm retired someday and someone asks the date I can reply "Who cares." On a more serious note, do ETA date movements use plastic gears like this?

    • @islandwatch
      @islandwatch  7 лет назад +2

      I haven't taken one apart, yet, but the date wheel is certainly plastic.

  • @JacobFolena
    @JacobFolena 5 лет назад

    That’s a real amazing video that fully enlightens me why it is harmful to change date between the time people mentioned. I just don’t do it because I heard it, but now i can see it clearly. However, I still want to know Rolex GMT Master II also has a same mechanism is what’s shown in the video. Because I heard that the original purpose of GMT Master was to let Pan Am pilots can find the time and date in certain time zones, it is made to change date (which is moving an hour hand) and time whenever they want. I still wonder GMT Master II is going to damage the movement when it manually changes date in that “dangerous” time range

  • @jayh9144
    @jayh9144 7 лет назад +3

    Great video, do higher end watches have this problem too? They usually have all metal gears.

    • @Lee_K_5555
      @Lee_K_5555 7 лет назад

      That would be my question as well: if those fragile gears were made out of brass instead of plastic, would the warning about changing the time during the danger hours no longer be needed?

    • @islandwatch
      @islandwatch  7 лет назад +10

      So I was going to delve deeper, but didn't. Higher end watches have an instant flip. They do this by pre-loading the date wheel with a spring. If the date is advanced, it just passes by. No risk of harm. When you spend 5 or 10K on the watch, they engineer against these sort of things.

    • @Lee_K_5555
      @Lee_K_5555 7 лет назад

      That’s good to know - thanks for the reply, Marc!

    • @thomasshedd7002
      @thomasshedd7002 7 лет назад +1

      What about an ETA 2824?

  • @Bruno_Powerlifter
    @Bruno_Powerlifter 2 года назад

    THANK YOU! THANK YOU!!

  • @AhmedHussain-mz1ks
    @AhmedHussain-mz1ks 7 лет назад +2

    Awesome explanation! Why would someone give it a thumbs down. Big thumbs up from me. Keep it up!

  • @obey2018
    @obey2018 7 лет назад

    Excellent presentation, Thanks

  • @rahatpreo3209
    @rahatpreo3209 6 лет назад +1

    Need your help.
    I've owned a casio edifice 539d-7av watch. Its date changes middle of the day instead of night. How can I solve this problem? (Note: I've bought it from Singapore and I'm in Bangladesh now)
    .
    (Love your "watch and learn" videos very very much. I'm 19 and a watch lover. I just started collecting watch and this casio is my first one.)

  • @MrMomo182
    @MrMomo182 7 лет назад

    Such a helpful video. If you say to yourself, only quick set the date after setting the hands to 6:30, would that be a less confusing, easier to remember rule? After all, who knows if the watch has stopped on am or pm until cycling past 12, especially if you have a bunch of them that just sit around.

  • @Kiwi_Dad
    @Kiwi_Dad 7 лет назад +1

    Awesome vid. So good.

  • @baldponyta7940
    @baldponyta7940 3 года назад

    Very interesting!

  • @CoolCforlife
    @CoolCforlife 7 лет назад +1

    Man you are the best! You really show great videos, valuable and interesting info :) Thank you for doing what you do! Always informative :)

  • @watchmestress4182
    @watchmestress4182 6 лет назад

    Awesome video!

  • @j.t.3739
    @j.t.3739 7 лет назад +1

    Outstanding video!! Love it and important to know. Plus you are a bird owner too..I knew you are good person, but now we are cool brother. I have 3 cockatiels. You need to bring that umbrella cockatoo in one of these videos. Hopefully is not camera shy.

    • @islandwatch
      @islandwatch  7 лет назад

      Well, she's ashes now! She passed away in 2010. :(

    • @j.t.3739
      @j.t.3739 7 лет назад +1

      I am sorry to hear that. Hope the bird give you many great memories to remember. You never forget a bird because each one has a special personality. Nice video though.

  • @AlojzyZyrokompas
    @AlojzyZyrokompas 6 лет назад

    So insightful! Thank You.

  • @kamaboko1
    @kamaboko1 7 лет назад

    That was really interesting. Thanks.

  • @StanO011
    @StanO011 7 лет назад

    This is a great video, Marc👍

  • @TylerMowbray-fy7sp
    @TylerMowbray-fy7sp 6 месяцев назад

    Does a Sellita SW200 have a safeguard for this? It must because I just did this mistake and it's still working perfectly

  • @ayamahei1393
    @ayamahei1393 6 лет назад

    Super intéressant ! Très éducatif.

  • @sarfarazshaikh771
    @sarfarazshaikh771 7 лет назад

    Marc you are great, keep the going 👍

  • @tompyszczuk6876
    @tompyszczuk6876 6 лет назад

    Very informative. Thank You.

  • @larryrichards3668
    @larryrichards3668 6 лет назад

    Great video.

  • @CharlieboyK
    @CharlieboyK 2 года назад

    Great video 👍
    IBroke the metal part that sits on that white wheel on one of my nh35 movements. Quickset doesn't work now 🥺
    If you want to change the date, you can wind it up to 12 a.m when it automatically click's over. Then wind back about for times and forward again, and it will change.

    • @saadismailimhamdi8964
      @saadismailimhamdi8964 2 года назад

      Hi there, did you manage to find a spare date corrector for your NH35 mouvement? I just happened to do the same mistake with my Seiko 5 pepsi and can't find that part anywhere.

  • @korbendallas9722
    @korbendallas9722 7 лет назад +1

    Awesome vid, very well explained. I have a random question. I own a SRP775, and have to hand wind it from time to time. Is there a way to tell when it’s wound all the way, and should I worry about over winding it?

    • @islandwatch
      @islandwatch  7 лет назад

      Not exactly; unless you can hear when the spring is fully wound; there is a slight change in sound. Don't worry about overwinding; but don't wind the heck out of it either.

  • @nikitapisek2901
    @nikitapisek2901 6 лет назад

    Thank You, Marc.

  • @jacobtenace9327
    @jacobtenace9327 7 лет назад +1

    Great video! Loved the info. Does a broken date change wheel affect the timekeeping of the watch?

  • @tristandauod
    @tristandauod 3 года назад

    4:42 hey! My parents had an umbrella cockatoo for a while. They live really long lives and have an insanely painful bite lol. One of the loudest and most annoying pets when they want to be loud.😂 A talking bird is always amusing, though!👌🏼

  • @martin.B777
    @martin.B777 3 года назад

    Very informative, thank you! Does the 9pm-4am restriction applies to the date change with time adjustment (time setting/second crown position)?

  • @sergeyyatskevitch3617
    @sergeyyatskevitch3617 4 года назад

    Great video. Thank you. Now I see what I have accidentally done to my Carrera Cal 16. How much do you think may it cost to replace this gear in eta 7750. I heard numbers from 120 to 400. Thank you.

  • @colescuckooclockshop754
    @colescuckooclockshop754 2 года назад

    I know this rule. Took out a seiko 7s26 from my drawe haven't worn in a long time. Did this, while thinking I had the time in the "good zone". I was at 2:30 am. After realizing, went to the correct time not to damage. Still works, do uou think it's ok?