Chrono question

Jul 22, 2021,15:10 PM

Guys — I know that running the chrono function continuously is fine on some watches and not on others, depending on the chrono mechanism at issue. (I think I know how to use the terms “lateral clutch” and “column wheel” correctly, but I won’t risk it here.) Which category does the modern Daytona fall into? Can I just leave the chrono function on continuously without causing undue wear on the movement?

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 By: Chromatic Fugue : July 22nd, 2021-16:40

Yep. Vertical clutch on a column wheel. So it can be run continually without a major drop in amplitude so it shouldn’t gain much time.

 By: Lankysudanese : July 22nd, 2021-23:22
Chronographs with independent drive trains (zenith defy 21 chrono, and JLC Duometre) and those with intelligent designs to separate the power supply to the chronograph and regular timekeeping (FPJ centrigraphe) are the only ones with zero drop in amplitud...