Omega Constellation Electronic Repair - Caliber 1250 Tuning Fork

Hi, in this video, I'll replace the faulty unit with a new one to repair this tuning fork watch from the early 1970s.
This Omega has Omega Caliber 1250 movement. There are two well-known issues with this movement: worn index wheel and coil failure. Both require parts replacement. Replacing the index wheel is difficult but replacing the coil unit is easy and good for DIY. Luckily, my one has only the coil issue. I'll show you the how-to.
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