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swlisson · 9 June 2009, 11:43 AM

I have a Sub Date purchased in 2004. I had it serviced in 2007. The watch is gaining a few minutes each month....to the point where I'm having to re-set it to prevent being 5-8 mins ahead after several months. I believe it needs to be serviced again....anyone have thoughts?

SWL

maddesthatter · 9 June 2009, 12:34 PM

Should not be more that -4, +6 seconds a day.

roamer · 9 June 2009, 01:41 PM

How many months is "several months"?

If it's running +6 (within COSC standard) that's going to be 3 minutes a month. So 3 months down the line you are +9 minutes.

My sub date is a VERY consistent -2 seconds per day. I'd prefer it run +2, but losing a minute a month isn't that big a deal. Approximately every two months when I change the date I sync it back with the atomic clock. Unless you are running outside of COSC standard I wouldn't worry about it and just set the watch when you change the date.

Tools · 9 June 2009, 02:46 PM

It doesn't need to be serviced...

But you could always have it regulated if you are not happy with the timekeeping..

If you take it to a decent watchmaker...and give him the time to do the job, he should be able to regulate it to within a minute a month..

Z-Sub · 9 June 2009, 03:57 PM

We need better information on how many minutes over how many months or days. It' maybe working just fine.

padi56 · 9 June 2009, 04:57 PM

Quote:

Originally Posted by swlisson

I have a Sub Date purchased in 2004. I had it serviced in 2007. The watch is gaining a few minutes each month....to the point where I'm having to re-set it to prevent being 5-8 mins ahead after several months. I believe it needs to be serviced again....anyone have thoughts?

SWL

And what prey do a few and several equate too,without precise information we cannot help you.And as Larry pointed out if watch is outside COSC spec average -4 +6seconds over 24 hours, all thats needed is simple regulation.

don't back down now · 9 June 2009, 11:50 PM

Quote:

Originally Posted by roamer

How many months is "several months"?

If it's running +6 (within COSC standard) that's going to be 3 minutes a month. So 3 months down the line you are +9 minutes.

My sub date is a VERY consistent -2 seconds per day. I'd prefer it run +2, but losing a minute a month isn't that big a deal. Approximately every two months when I change the date I sync it back with the atomic clock. Unless you are running outside of COSC standard I wouldn't worry about it and just set the watch when you change the date.

What type of Gibson is in your aviator?

roamer · 10 June 2009, 12:35 AM

Quote:

Originally Posted by don't back down now

What type of Gibson is in your aviator?

It's a Les Paul Standard with the 50s neck.

Lion · 10 June 2009, 01:13 AM

Sounds like you are within the standards set for COSC so I'd just wear and enjoy your watch and adjust it as necessary. My GMT gains 5 seconds a day so every month I just adjust the time accordingly!!!

jimmytoronto · 10 June 2009, 02:39 AM

What has already been said is correct but if it still bothers you, get a timing adjustment first and see if that helps - it may not need a full service.

don't back down now · 10 June 2009, 11:33 AM

Quote:

Originally Posted by roamer

It's a Les Paul Standard with the 50s neck.

That guitar absolutely smokesem!

9 June 2009, 11:43 AM	#1
swlisson "TRF" Member Join Date: Jun 2009 Location: North Carolina Posts: 1	Accuracy of Sub Date I have a Sub Date purchased in 2004. I had it serviced in 2007. The watch is gaining a few minutes each month....to the point where I'm having to re-set it to prevent being 5-8 mins ahead after several months. I believe it needs to be serviced again....anyone have thoughts? SWL

9 June 2009, 02:46 PM	#4
Tools TRF Moderator & 2024 SubLV41 Patron Join Date: May 2007 Real Name: Larry Location: Mojave Desert Watch: GMT's Posts: 43,516	It doesn't need to be serviced... But you could always have it regulated if you are not happy with the timekeeping.. If you take it to a decent watchmaker...and give him the time to do the job, he should be able to regulate it to within a minute a month.. __________________ (Chill ... It's just a watch Forum.....) NAWCC Member

9 June 2009, 03:57 PM	#5
Z-Sub 2024 Pledge Member Join Date: Jun 2008 Location: So Cal, USA Watch: Not a ONEWatch Man Posts: 7,383	We need better information on how many minutes over how many months or days. It' maybe working just fine. __________________ SS Submariner Date "Z" SS SeaDweller "D" SS Submariner "Random" TT Blue Submariner "P" SS GMT-Master ll "M", Pepsi Pam 311, 524, 297

10 June 2009, 01:13 AM	#9
Lion "TRF" Member Join Date: Jan 2009 Real Name: Leo Location: Midwest Watch: GMT-II 16710 PEPSI Posts: 21,461	Sounds like you are within the standards set for COSC so I'd just wear and enjoy your watch and adjust it as necessary. My GMT gains 5 seconds a day so every month I just adjust the time accordingly!!! __________________ SS GMT-II 16710 PEPSI(Z-serial#) THE ONLY DIFFERENCE BETWEEN MEN AND BOYS IS THE PRICE OF THE TOYS!!! MontBlanc Meisterstuck Doue Silver Barley MontBlanc Meisterstuck Solitaire Doue Signum Proud Card Carrying Member of the Curmudgeons.....Yikes!!!

10 June 2009, 02:39 AM	#10
jimmytoronto "TRF" Member Join Date: Jan 2006 Location: TO Posts: 34	What has already been said is correct but if it still bothers you, get a timing adjustment first and see if that helps - it may not need a full service. __________________ Cheers, JimmyToronto

9 June 2009, 12:34 PM	#2
maddesthatter "TRF" Member Join Date: Apr 2009 Location: California Posts: 2	Should not be more that -4, +6 seconds a day.

9 June 2009, 01:41 PM	#3
roamer Member Join Date: Dec 2008 Real Name: Chris Location: Maryland Watch: 116000, 16610 Posts: 155	How many months is "several months"? If it's running +6 (within COSC standard) that's going to be 3 minutes a month. So 3 months down the line you are +9 minutes. My sub date is a VERY consistent -2 seconds per day. I'd prefer it run +2, but losing a minute a month isn't that big a deal. Approximately every two months when I change the date I sync it back with the atomic clock. Unless you are running outside of COSC standard I wouldn't worry about it and just set the watch when you change the date.

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