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: Well, today marks the end of my first week of
: Omega ownership.
: It has lost 2 seconds total over this first
: week.
: Is this about normal, or am i unusally lucky?
: Thanks again to Mark and John for their help.
Based on the accuracy information of the 2531.80.00 you are more than lucky, I understand that its accuracy should be between +/-6 seconds per day. My reference is the COSC certification parameters.
If you are getting +/-2 seconds per week, it is great !!!
I found this info in this site:
http://chronocentric.com/watches/accuracy.shtml#cosc
The standard used by COSC is to test the accuracy of a mechanical wristwatch movement--before it is assembled into a watch--for consistent accuracy under a range of position and temperatures. COSC actually peforms seven tests as part of the certification. But the most commonly mentioned is the "mean daily rate" test for which a standard men's watch size mechanical movement, the watch must maintain an accuracy within -4 to +6 seconds of variation per day (that's +99.994% accuracy!).
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