Quote:
Originally Posted by Dirt
Just for a little more clarity.
The watch isn't tested as an assembly.
Only the movement is tested and it's not cased up(in the watch).
The movement alone is tested in a sequence of 5 positions across 3 temperatures for about 14(i think from memory) days.
Very happy for someone to fill in any blanks or correct any errors.
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15 days they are tested the COSC and it was started in 1973 by the Swiss and for only Swiss made watches.And just like any test results are for time of testing on whatever machine used.And even tested watches can go out of spec, so its not a 100% guarantee it will perform exactly the same every day, only the fact its been tested and passed at time of testing.