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Jon G · 20 May 2008, 01:47 AM

Hi all. I am a delighted new Submariner (no date) owner, bought mine in April '08.

A quicky: mine loses between 3 and 4 seconds a day, laying it bezel up at night. My dealer says -4 to plus 6 is acceptable, but I've read that Rolex states that its tolerances are tighter, at -1 to plus 5.

I feel like I'm being pedantic, but is -3 to 4 secs acceptable (granted that's amazingly accurate for a little self-winding machine)?? Does anyone have a view??

Cheers

Jon

SPACE-DWELLER · 20 May 2008, 07:08 AM

Welcome to TRF, Jon!

COSC specs are minus 4 to plus 6 seconds, but Rolex adjusts their movements after having received them from the COSC institute. I have not read about Rolex stating that they have the precision tolerances that you mention, though.

Minus 4 secs. a day is just on the border of the official COSC specs, but if your Sub ND is CONSISTANTLY losing those 3-4 secs., in fact your watch is very precise. It just needs a regulation.

But give it some more time to adjust to your wearing habits. If it is still consistanly losing time after say a month's time, have it regulated. Normally, it can be done by your AD watchmaker while you wait.

Another explanation for the watch losing time could be the power reserve. How many hours do you wear it during the day? It could be a question of the movement not getting sufficient power reserve.

Terry Newton · 20 May 2008, 12:09 PM

Jon

Welcome to TRF. Enjoy your stay here and congratulations on the new Submariner. That is a nice watch you have there and will last you your life time. Nice to have a watch that holds it's value.

Terry Newton

GMTII Owner · 21 May 2008, 01:21 AM

Welcome Jon,

Great watch. Post some pictures when you get a moment.

John

och77 · 22 May 2008, 01:07 AM

Welcome Jon! Enjoy yourself here!

Tools · 23 May 2008, 02:14 PM

Welcome to TRF.

If you aren't happy with the performance of your time-piece you can always have a watchmaker regulate it for you.. However, if you just got it in April, I would let it settle in for a while

It is capable of great accuracy if you don't mind having it looked at a couple of times to "zero" it in to what you feel is proper.

20 May 2008, 01:47 AM	#1
Jon G "TRF" Member Join Date: May 2008 Location: England Posts: 1	Hi from a new Sub owner - quick question... Hi all. I am a delighted new Submariner (no date) owner, bought mine in April '08. A quicky: mine loses between 3 and 4 seconds a day, laying it bezel up at night. My dealer says -4 to plus 6 is acceptable, but I've read that Rolex states that its tolerances are tighter, at -1 to plus 5. I feel like I'm being pedantic, but is -3 to 4 secs acceptable (granted that's amazingly accurate for a little self-winding machine)?? Does anyone have a view?? Cheers Jon

20 May 2008, 07:08 AM	#2
SPACE-DWELLER "TRF" Member Join Date: Apr 2007 Real Name: Bo Location: Denmark Watch: Rolex, of course! Posts: 22,436	Welcome to TRF, Jon! COSC specs are minus 4 to plus 6 seconds, but Rolex adjusts their movements after having received them from the COSC institute. I have not read about Rolex stating that they have the precision tolerances that you mention, though. Minus 4 secs. a day is just on the border of the official COSC specs, but if your Sub ND is CONSISTANTLY losing those 3-4 secs., in fact your watch is very precise. It just needs a regulation. But give it some more time to adjust to your wearing habits. If it is still consistanly losing time after say a month's time, have it regulated. Normally, it can be done by your AD watchmaker while you wait. Another explanation for the watch losing time could be the power reserve. How many hours do you wear it during the day? It could be a question of the movement not getting sufficient power reserve. __________________ With kind regards, Bo LocTite 221: The Taming Of The Screw...

20 May 2008, 12:09 PM	#3
Terry Newton "TRF" Member Join Date: Jan 2008 Real Name: Terry Newton Location: Michigan Watch: Rolex TT GMT II c Posts: 6,644	Jon Welcome to TRF. Enjoy your stay here and congratulations on the new Submariner. That is a nice watch you have there and will last you your life time. Nice to have a watch that holds it's value. Terry Newton __________________ Terry Newton; Superstar and Fake Sleuth "Z" SS Date Submariner "Z" TT GMT-Master IIc

21 May 2008, 01:21 AM	#4
GMTII Owner "TRF" Member Join Date: Apr 2008 Real Name: John Location: Nashville, TN Watch: S/S GMT Master IIc Posts: 1,210	Welcome Jon, Great watch. Post some pictures when you get a moment. John __________________

23 May 2008, 02:14 PM	#6
Tools TRF Moderator & 2024 SubLV41 Patron Join Date: May 2007 Real Name: Larry Location: Mojave Desert Watch: GMT's Posts: 43,499	Welcome to TRF. If you aren't happy with the performance of your time-piece you can always have a watchmaker regulate it for you.. However, if you just got it in April, I would let it settle in for a while It is capable of great accuracy if you don't mind having it looked at a couple of times to "zero" it in to what you feel is proper. __________________ (Chill ... It's just a watch Forum.....) NAWCC Member

22 May 2008, 01:07 AM	#5
och77 "TRF" Member Join Date: Jan 2008 Location: Malaysia Watch: Submariner 114060 Posts: 36	Welcome Jon! Enjoy yourself here!

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