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  1. Watchmaking, How To's and Technical Resources
    The 7S25 movement in my SBDA001 titanium Samurai has died and I figured I'd upgrade to a hacking/handwinding NH35A. I can't even get to the first step, removing the 7S25 compatible stem from the titanium crown. Switching to a modern Samurai crown stem is not an option they are steel and too...
  2. Seiko
    Let me start by saying I have searched the web and WUS for an answer, but have found nothing that gives me a warm and fuzzy. Background: Watch gets wrist time in normal rotation and has been worn for the last 24 hours minimum. I read in another post, if the reserve gets low backward hacking is...
1-2 of 2 Results