Tag:6139-7101

Seiko 6139-7101 Helmet for Parts or Repair, December 1977
Seiko 6139-7101 Helmet for Parts or Repair, December 1977

This watch runs very inconsistentlyitll run for up to a minute at times, but with a couple of issues: first of all, it seems to lack the power to turn over the minute counter, with the result that the sweep stops at 58 seconds (Im guessing that thats the issue based on past reading, though…

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