INSTRUCTIONS
Check the case back of your watch to find the caliber code inscribed on it, and read the instructions pertaining to your watch caliber code. It is a 4-digit number to the left of the hyphen mark.
Calibre Code
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Check the case back of your watch to find the caliber code inscribed on it, and read the instructions pertaining to your watch caliber code. It is a 4-digit number to the left of the hyphen mark.