HOW TO OPEN THE TIGHTEST SCREW-IN WATCH CASE WITHOUT SCRATCHING IT
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- Опубликовано: 7 сен 2024
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This is the one technique that I've been using for the past two decades. Never again will I scratch another screw-in case back. This technique will allow you to open even the tightest screw-in case back!
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#screwincaseback #besttechnique #howtoopen
This technique can be used toward any watch brand with screw-in case back. But the tool will vary depending on the type of screw-in case back.
Thank you for this great informative video and a fantastic tip regarding the addition of the cellophane, I had a piece thin clear vinyl worked a treat and the technique was a great help as well.
Thanks again
Sam 👏👍
Glad it was helpful!
That's the best watch back removal video out there.
Glad it helped
Thank you for sharing your deep knowledge and experience. Your videos are so well filmed to add so much detail. I appreciate the time you invest to generate such quality content!
You are so welcome! Happy to hear that. :-)
Short but excellent. Great useful video. Common sense when you think about it(or should I say when you are shown this technique). But you know what they say about common sense-It's the least common of the senses. Thanks!
Glad you enjoyed it! Using this technique, the power that you get from your body weight will allow you to open any tightness. Unfortunately, someone already left a thumb down. :-(
Thanks for the tips.
I also feel more comfortable using only 2 of the 3 prongs of the tool.
I use the tool only if necessary ’cause I mostly use the Bergeon rubber eight-ball which is completely safe to open a caseback. But sometimes, if it’s too tight, I would need the tool.
I will definitely use plastic pieces to avoid any scratch on the watch.
I call mine the "8" Ball as the B on the ball looks almost like a #8. haha. That ball is great and have helped me opened up many case backs as well. But I am a full time watchmaker, so I do come across many difficult to open case backs which this friction ball will not be able to open them.
got what I needed, you satify sir. I used a clear sandwich bag to avoid scratching, thanks!
Haha. Nice! As long as it works!
Thank you, that was a great help, my jaxa wrench came in a kit via Ebay but was very sloppy so I could never get all 3 pins to stay in, will see how this way goes, cheers.
I've done this technique on many watches with many different caseback openers from cheap Chinese ones to expensive, heavy duty Japanese ones and they always and up slipping or snapping the tips of my caseback opener.
Even after soaking the caseback in WD-40 overnight
This is for super tight ones so I still have no choice but to use a punch and punching the caseback off
Ah. Sorry to hear that. If we are neighbors I could show it to you in person once, and I’m sure you’ll never have this issue again.
@@TimelessHistoryChannel thanks for the reply but I've tried lots of methods for stubborn casebacks even borrowed one my my buddy's stand type openers and ended up snapping the tip off that while trying to open up an old Titoni Cosmo King.
The method shown in the video is great for most casebacks but the stubborn ones I have are too rusted shut for it so a punch and hammer are last resort
That jaxa has seen better days. Good video
Great video and this is what I usually do with an unrusty caseback. However, with a rusty tighten caseback, I think it's very necessary to soak the caseback part of watch in penetrating oil for few days before it can actually be opened.
Oh, you no longer need to use that method to open tight case back. Using loctite and even fire to heat up the case back is quite dirty. These were tricks that I once used, but with this method I no longer needs to burn or glue or soak into alcohol the case back anymore. 😉
Thanks for sharing though.
Thank you for sharing the knowledge 🙏
My pleasure
Next step is to glue a hexa nut to the caseback with Loctite and then fasten a wrench 🔧 to it and open it. The glue can be removed by letting the case back rest in alcohol (isopropyl alcohol). This is if it's really stuck.
Oh, you no longer need to use that method to open tight case back. Using loctite and even fire to heat up the case back is quite dirty. Those were tricks I once used, but with this method I no longer needs to burn or glue the case back anymore. 😬
Thanks for sharing though
@@TimelessHistoryChannel I didn't mean to use glue in a watch to close it. Nor fire. :) I meant that if you can't open it with your method, next step is to put a hexa nut right on top of the case back and unscrew it with a wrench. Not a mark will be left on the watch.
@@Watcheyes Yes, I understand your first comment. I once used that method as well, applying glue on the case back to stick against a metal tool like a wrench. But every since I started this method, I've been able to open up even the tightest case back. No more glue, no more soaking into alcohol, and no more burning methods. :-) Try it out the next time you have a tight case back. Make sure to use your body weight instead of your wrist. Using your wrist alone is not enough strength and may lose your balance from keeping it parallel.
Good video,thanks
Thank you so much!
thanks for the tip. my orient bambino screw back case is so tight im worried i might damage the case
Best of luck
The watch case back holder can't hold a chronograph watch with 3 crowns please advise what to do
The regular case holder, like the one in the video, should work with no problem. Just need to play around with how to set the case onto the holder and position those four pins. If you are still having trouble, then maybe consider this: www.ebay.com/itm/404246078250?hash=item5e1ef1a32a:g:qP4AAOSwa2tkOZJO&amdata=enc%3AAQAIAAAA4JYIciE08sJgma9mT6QkKCx6ybA24pby9v007e2wryvkBMWm%2FpaYKIXKaqnToU0HAHbMJ47a4Jt6f52Uc15zpchecbz%2ByoPD68pknvlZaMuqtxq%2FMf2znCfTe6iHLaF957%2BMRrCJhvyB%2BMbe6wN9ASeYyZ1qOqCks6gdKZs65mfChPdpXafzzO7eoH3BoUxkE4MgadCPImNMjqTtcMQ7ih%2FwufqpGRMTL2dDSP8AZGdqCFu43yd14LlVXjjXho3eSNaj0sdL4DDQlOnaaXHZCfPPyTui1ZxYvj40J7stF3Eb%7Ctkp%3ABk9SR6yV1qDzYQ
Ok thank u
This is so helpful. Thanks very much. Is there a way to do this without a vice as I don't have one. Thanks again
Unfortunately, the other methods can be quite messy and smelly. You can read in the comment section. I once used those methods as well.
@@TimelessHistoryChannel appreciate that. thanks
I mostly use friction ball whenever possible.
I have a friction ball as well. Have showed a few times in my past videos. Unfortunately, it won’t work on these super tight case back.
Another great vid. Your videos are so calming they are great.
Do you think you could make a video on some books that you recommend for vintage watches?
I will try to make that video and explain my opinion when it comes to these books. :-)
@@TimelessHistoryChannel Awesome, I'm looking forward to it!
Thanks!
Thank you so much my friend! Greatly appreciated and Happy New Year!
There are many styles of casebacks. I have several watches that I can't open. One is a many sided case back that takes a special wrench made by Shanghai watches. I have seen people open them with rubber balls. The other is a chinese pocket watch that has a press on case back but the slit is so thin and narrow that my caseback knife won't fit into the slit. I am afraid to damage it. Thanx for the tip on the Omega caseback. Damaging the watch opening it up is everyone's nightmare.
This technique can be used toward any watch brand with screw in case back. But the tool will vary depending on the type of screw-in case back.
hi bro. Could you pls share some tips on removing red stain (some call patina on gold) on vintage watches? I am just confused. Should I leave it or remove it? Tks.
Hi, I would recommend that you leave them alone as they do not harm the watch. But if you choose to remove them you can do so by buying a jeweler polishing cloth on ebay or amazon. Try not to use too much of the cloth to polish the case as it can wear away the gold over time.
Thanks so much. I seldom laugh out loud when I see and hear funny videos.
Looking forward to more.
Anytime! Bet, no one can LOL when they scratch a case back though.
@@TimelessHistoryChannel Hi. I'm one of those idiots that comments on the wrong video. I watched a funny dog video, and somehow made a comment on yours.
I did have a major problem doing it this way with a chronograph watch as the buttons prevented me from holding watch please advise
Ok thank u for the reply
If you’re not a watchmaker it can be tricky. In that case you may need to order a case holder and clamp it to a vice. This way you have both hands to work on the watch. One to hold the crown with better grip while your other hand uses the tweezers
I just scratched my Oris. The tool slipped and left a nasty scratch on the case back 😭. Now I have something I can remember and learned from my mistake.
Sorry to hear that. In the future, try using a friction ball first.
@@TimelessHistoryChannel i literally just ordered one. Thanks.
@@zachary4225 Nice! haha
My problem is most of the casebacks already have old tool marks in them by the time I’ve bought them 🥴 Great video though, I’ve had some that were really stuck before so cool to see how you can get some more leverage
Yes, that is true that most vintage watches already come with tool marks already. However, with this same technique will allow you to open those difficult case back where the gasket has aged. :-)
How wide is that vise?
They come in regular and jumbo size so you can open any size watch. Regular size will work on most vintage watches.
Even with these tools and methods I still can’t open some of the roughest casebacks. Think I might bite the bullet and buy a big $100 screw-down Bergeon clone opener
Hope that will work for you. A tight screw back is usually not because someone has over tightened it before, but it’s the old gasket inside. Sometime you may need to heat up the case back to soften the gasket. Just be careful doing it. Or you can burn yourself or damage the crystal.
@@TimelessHistoryChannel I think it might be a bit of rust in this case
@@nintendokings Heat treatment will work too. But only use that as your last option because if you're trying it for the first time, there is a chance you might burn your fingers or the crystal. And ensure the watch does not have a crystal that carries a plastic gasket. The heat burning the back can shrink the crystal plastic gasket.
The thing about fake tools is that sometimes the pins can snap off too.
@@TimelessHistoryChannel thanks for the tips. Still struggling with the one that I think has rust (the bracelet has bits of rust, too). Any recommendations for safely heating a watch?
In some cases this technic does not work and CA glue and a piece of wood arm glued in the back is necessary.
Oh believe me, this method can open any screw-in case back with the proper tool. I've stopped using glue, flame(heat), and alcohol.
i have a omega caseback key to take the back off of my 2264.50.00
Awesome! thanks for sharing!
All of this involves the use of the international standard tool for opening the screw on backs of watches: which simply doesn't work on some watches?. I've a magnificent but dated: "Ferrari wristwatch" that needs a new battery. it has a thoroughly silly 14-facet-screw-on-back: and no agent of Ferrari in Australia that I've managed to contact has any idea how to open it. On the back it says water resistant implying a screw-on back. My thinking is that it has to be a very expensive "single battery use' throwaway wristwatch" made by the stupidest watch manufacturer in the world...Have you any idea how to open this watch? ...very best wishes..John, Perth, Australia.
That thumbnail hurts.
I got hurt making that thumbnail 😂
My prongs snapped off :(
Yikes! Sorry to hear that. You may need to use the Bergeon Jaxa.
Absolutely incredible, I have learned a additional technique to the tool's I have used for years...
What tools do you use on pop top backs or tricks (my term) that are extremely tight to remove backs.
OE, you have the best educational video's on RUclips!!!
I truly appreciate your time putting the video's together.
Thank you as always. For snap on case back, I usually use my Omega knife which is quite similar to the Bergeon one. But for very different ones, I use a razor blade. It might break sometime, so may need more than one attempt to successfully open the back. Make sure that you have a long metal clip to go over the one side as most razor blades are both side.
@@TimelessHistoryChannel Awesome, always appreciate the advice of a pro. I am always looking for tricks of the trade.
@@TimelessHistoryChannel how do you prevent scratches by the knife slipping? It happens to me a lot with casebacks that don't have a lip to fit the knife in
Just wanted to say all of your videos are very informative and very helpful. They helped me when purchasing my first omega. Seamaster 120 ref 565.007 if you are curious
You’re very welcome. Yes, I am familiar with the Seamaster 120 model. In fact, I’ve made a video about it not too long ago. 565.007 is a lady’s version with 31mm case size. The first 5 is reference as a lady’s watch. 6 is automatic and 5 again is non-date. But 31mm also works well on someone will a small wrist size. :)