We advise you to service your calibers every 3 years or if you detect one of the following malfunctions:
Running fast or slow for more than 30 seconds per day
Problem when changing date
Strange behavior of the chronograph
Quick stop of the watch after winding (for a manual-winding watch) or after wearing it (for an automatic watch)
If you encounter any of these malfunctions, please contact us through our 24/7 live chat on Yema.com.
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