Resurrecting a DEAD SEIKO SNA411 Flightmaster With a Fried Circuit Board

I bought a used Seiko SNA411 Flighmaster without knowing its circuit board was completely fried due to battery leakage. Whoever sold it to me rescued it from an old drawer and told me I only had to change the battery. Despite seeing all the leakage and the corrosion, I still tried to do a battery change. Obviously, that didn't work, so I went down the rabbit hole of watch restoration.
I changed the original circuit board for a YM62 circuit board made by Epson. It's exactly the same circuit board, and Epson makes it for other watches.
Download the 7T62A Movement technical guide here
www.phfactor.ne...
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Get the same replacement parts I use! Free Shipping!
Circuit Board:
bit.ly/3gPY2nj
Double-Dome Blue AR Sapphire Crystal:
bit.ly/3FdzaiJ
Replacement Movement:
bit.ly/3FifQRs
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Watch Restoration Restoring a Seiko Seiko SNA411 Flightmaster How to change a circuit board on a watch, changing a circuit board on a Seiko SNA411 7t62a movement repair 7t62a movement seiko flightmaster