Quote:
Originally Posted by saxo3
Why?
What is your source for the "+/-5% easily"?
Just an assumption?
Rolex specifies "Power reserve: approximately 70 hours " without any tolerance in %.
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They use the word approximately for a reason.
For me from experience my patek is stated to have 35-45, my Daytona which runs perfectly has 68 hours (rsc confirmed fine) my op41 running in spec 68.5 hrs. My second Daytona does just over 74.
There is no explicit stated source for 5% just my experience. I even heard over 10% like patek but you should just confirm your statement with Bas. There is no way 68 hr pr can lead you to determine the movement has an issue. Timegrapher reading sure.