Unless it is COSC certified +- 10 seconds is good (more)

by Bob

 

Hiya Mike,

A non-COSC certified mechanical watch would be doing good anywhere from +- 10 to 15 seconds a day. Initially, a new watch may not be as accurate, but usually stabilizes to a more acceptable rate over time. It's not unusual to get +- 5 seconds a day with a 2824-A2. Give it some break-in time.

Best Regards,

Bob



Posted on Dec 9, 2001, 9:06 AM
from IP address 4.35.217.222


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