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This is super cool! Kinda want to try it next weekend... Seeing a lot of commenters wondering if the seals on the watch will manage to keep water out/oil in. A

• godzilla82 7y ago
  The entire watch is 10$.
  • sq_ 7y ago
    Yeah, I’m aware. I wouldn’t really care if the watch itself died, but leaking oil would be a bit annoying and making things that should fall apart last longer is often a fun challenge.
    • dvt 7y ago
      The o-ring is pretty flimsy (you can see it in a few pictures), but some have done this mod and have worn their F-91Ws without any leakage for 5+ years, so I expect it to be "good enough."
      • sq_ 7y ago
        Good to know. Thanks for the info and for writing the original post about this!