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Keeperoftime · 20 January 2012, 12:08 AM

Just curious is it better for a chronograph watch to have only the sub seconds dial running or the main second hand + subs on a daily basis. By better I mean less stress on the movement.

This answer may be obvious, however, I've seen some folks who leave it running (The chronograph function) and others say it's better if only the sub seconds dial is functioning thus chronograph not engaged.

Thanks in advance.

-Jeremy

sailmed · 20 January 2012, 12:12 AM

I always wondered the same thing... be interested in the response from those who really know.

padi56 · 20 January 2012, 01:37 AM

Cannot see any point in running the chrono function 24/7 whether vintage or modern.You have the sub seconds thats running with the watch for seconds.Would doubt if any harm would come to a modern day movement running 24/7. Except for a few hours less total power reserve but whats the point in running it if you are not record timing something.

Mikel212 · 20 January 2012, 02:15 AM

More moving parts need more energy, thus lower power reserve. Also, more gears moving, faster rate of gears wearing out. When I had my '67 SPeedmaster serviced by Omega, I did get back a bunch of replaced gears. All in all, its probably pretty deminimus.

20 January 2012, 12:08 AM	#1
Keeperoftime "TRF" Member Join Date: Apr 2009 Real Name: Jeremy Location: Louisiana Watch: Rolex Posts: 2,732	Vintage Chronograph question? Just curious is it better for a chronograph watch to have only the sub seconds dial running or the main second hand + subs on a daily basis. By better I mean less stress on the movement. This answer may be obvious, however, I've seen some folks who leave it running (The chronograph function) and others say it's better if only the sub seconds dial is functioning thus chronograph not engaged. Thanks in advance. -Jeremy __________________ As a man is, so he sees. As the eye is formed, such are its powers. William Blake

20 January 2012, 12:12 AM	#2
sailmed "TRF" Member Join Date: May 2008 Real Name: Barry Location: Newtown Square Watch: Red Sub, 5513, FF Posts: 299	I always wondered the same thing... be interested in the response from those who really know. __________________ "Primum non nocere."

20 January 2012, 01:37 AM	#3
padi56 "TRF" Life Patron Join Date: Jun 2005 Real Name: Peter Location: Llanfairpwllgwyng Watch: ing you. Posts: 53,063	Cannot see any point in running the chrono function 24/7 whether vintage or modern.You have the sub seconds thats running with the watch for seconds.Would doubt if any harm would come to a modern day movement running 24/7. Except for a few hours less total power reserve but whats the point in running it if you are not record timing something. __________________ ICom Pro3 All posts are my own opinion and my opinion only. "The clock of life is wound but once, and no man has the power to tell just when the hands will stop. Now is the only time you actually own the time, Place no faith in time, for the clock may soon be still for ever." Good Judgement comes from experience,experience comes from Bad Judgement,.Buy quality, cry once; buy cheap, cry again and again. www.mc0yad.club Second in command CEO and left handed watch winder

20 January 2012, 02:15 AM	#4
Mikel212 "TRF" Member Join Date: Nov 2006 Location: NYC Posts: 228	More moving parts need more energy, thus lower power reserve. Also, more gears moving, faster rate of gears wearing out. When I had my '67 SPeedmaster serviced by Omega, I did get back a bunch of replaced gears. All in all, its probably pretty deminimus.

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