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Badfish179 · 19 February 2010, 11:55 AM

I bought a 2254.50 in January. It's pre-loved. The previous owner said he had it timed and pressure tested. I have been checking the time and it averages -6 seconds a day so far. Usually on the wrist it's about -4 or 5 but when it's on the winder or resting in the watch drawer it will loose as much as 9 or 10 sec/day. Does anyone have any ideas or advice about this? Thanks in advance.

Tools · 23 February 2010, 04:04 AM

The cal 1120 inside your watch is capable of very good accuracy. This is typical of a mechanical watch though as, when on a winder, it does not have any other physical force acting upon it except gravity and the hairspring travels the full ~300 degrees of swing. On the wrist, the movement of your arm and physical activity will cause the hairspring to "quicken" up it's beat (shortenn the swing) and they will typically run a little faster..

It only sounds like you need to have your watch regulated and most any decent watchmaker can do this..

My guess would be that the previous owner didn't really have this done unless he had the printout or receipt to prove it..

Badfish179 · 23 February 2010, 10:25 AM

Tools,
Thank you so much for the reply and explaining why. It's people like you that make this forum great! I couldn't immagine why there was so much difference. Now it makes sense. Thanks again!

19 February 2010, 11:55 AM	#1
Badfish179 "TRF" Member Join Date: Jan 2009 Real Name: Snook Location: USS Bluefish Watch: Pam24, Seamaster Posts: 883	Seamaster Pro timing issue I bought a 2254.50 in January. It's pre-loved. The previous owner said he had it timed and pressure tested. I have been checking the time and it averages -6 seconds a day so far. Usually on the wrist it's about -4 or 5 but when it's on the winder or resting in the watch drawer it will loose as much as 9 or 10 sec/day. Does anyone have any ideas or advice about this? Thanks in advance. __________________ Truth will rise above falsehood as oil above water. - Miguel De Cervantes

23 February 2010, 04:04 AM	#2
Tools TRF Moderator & 2025 Titanium Yacht-Master Patron Join Date: May 2007 Real Name: Larry Location: Mojave Desert Watch: GMT's Posts: 43,662	The cal 1120 inside your watch is capable of very good accuracy. This is typical of a mechanical watch though as, when on a winder, it does not have any other physical force acting upon it except gravity and the hairspring travels the full ~300 degrees of swing. On the wrist, the movement of your arm and physical activity will cause the hairspring to "quicken" up it's beat (shortenn the swing) and they will typically run a little faster.. It only sounds like you need to have your watch regulated and most any decent watchmaker can do this.. My guess would be that the previous owner didn't really have this done unless he had the printout or receipt to prove it.. __________________ (Chill ... It's just a watch Forum.....) NAWCC Member

23 February 2010, 10:25 AM	#3
Badfish179 "TRF" Member Join Date: Jan 2009 Real Name: Snook Location: USS Bluefish Watch: Pam24, Seamaster Posts: 883	Tools, Thank you so much for the reply and explaining why. It's people like you that make this forum great! I couldn't immagine why there was so much difference. Now it makes sense. Thanks again! __________________ Truth will rise above falsehood as oil above water. - Miguel De Cervantes

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