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More wear, a slightly slower pace...

In Response To: Question for Speedmaster Auto owners ()

Hi, Zers

The crhonograph function is there to be used, but letting it run all the time, would increase the wear of this movement's area. And chronographs are quite expensive to service. The best use of the chronograph function is when needed and 12 hours once a month, to get the oil evently spread over the 12 hours wheel.

Also, if you let the chronograph running, it'd slow the watch a bit, because you add a small opposite force to the (supposedly)well regulated escape system. If your watch is gaining time, it'd improve its accuracy, but if it's actually loosing time, would loose time faster.

Hope this helps. Experienced watch repairers, your advice is needed!

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Question for Speedmaster Auto owners

More wear, a slightly slower pace...

Chrono use slows my Seamaster

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0 wallclock secs ( 0.17 usr + 0.04 sys = 0.21 CPU)