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Numismatist · 4 March 2008, 03:16 AM

I propose an unofficial and fun COSC check of Rolex watches. Fully manually wind and set to time.gov your watch and wait exactly 24 hours.

Report findings back here tomorrow.

Anyone got a perfect one?!

DSJ · 4 March 2008, 03:41 AM

I'm in. Maybe start at noon EST/5pm GMT?

Numismatist · 4 March 2008, 04:26 AM

How about 2PM Eastern which is about half hour from now? Unless you've already started!

Ed Rooney · 4 March 2008, 04:43 AM

Already got it, measured over the last 15 days.

+3.2

DSJ · 4 March 2008, 04:44 AM

Quote:

Originally Posted by Numismatist

How about 2PM Eastern which is about half hour from now? Unless you've already started!

I was thinking tomorrow so that others across the globe could join too?

Numismatist · 4 March 2008, 04:48 AM

Oh yeah, stupid me, TRF is of course Global (I know what you're thinking, you silly American

). Noon tomorrow EST sounds good.

DSJ · 4 March 2008, 04:49 AM

Quote:

Originally Posted by Numismatist

How about 2PM Eastern which is about half hour from now? Unless you've already started!

I was thinking tomorrow so that others across the globe could join too?

SPACE-DWELLER · 4 March 2008, 05:03 AM

+ 1 sec.

Sorry to be a spoilsport, but I already know what my SS GMT IIc would have gained by tomorrow. The accuracy of that watch is very consistant.

crimscrem · 4 March 2008, 05:20 AM

Quote:

Originally Posted by SPACE-DWELLER

+ 1 sec.

Sorry to be a spoilsport, but I already know what my SS GMT IIc would have gained by tomorrow. The accuracy of that watch is very consistant.

Yes. I agree. What's shocked me is how accurate my 77 DJ has been since service. It's been nearly as accurate as my GMT-IIc (barely running faster than the GMT-IIc).

SPACE-DWELLER · 4 March 2008, 05:27 AM

Quote:

Originally Posted by crimscrem

Yes. I agree. What's shocked me is how accurate my 77 DJ has been since service. It's been nearly as accurate as my GMT-IIc (barely running faster than the GMT-IIc).

I'm not surprised to hear that, at all. Bear in mind that the Cal. 3135 and 1500 series before that are the best movts. ever made by Rolex. Many put too much emphasis on the virtues of the Parachrom Bleu hairspring, IMHO, I don't think it's any better than the conventional hairspring. Rolex just HAD to invent the PB hairspring to be completely self-sufficient.

f16570 · 4 March 2008, 06:25 AM

We tried this early December and from then my Exp II is +9 seconds

4 March 2008, 03:16 AM	#1
Numismatist "TRF" Member Join Date: Nov 2007 Real Name: Chris Location: Camden ME & STT Watch: 116600 Posts: 6,350	Coordinated COSC check for accuracy? I propose an unofficial and fun COSC check of Rolex watches. Fully manually wind and set to time.gov your watch and wait exactly 24 hours. Report findings back here tomorrow. Anyone got a perfect one?! __________________ Rolex 116600 Sea-dweller Montblanc Solitaire Doué Black & White Legrand FP Montblanc Solitaire Doué Black & White RB Montblanc Meisterstück Diamond Mozart BP Montblanc Meisterstück Mozart BP

4 March 2008, 03:41 AM	#2
DSJ "TRF" Member Join Date: Dec 2007 Real Name: David Location: USA Watch: your step! Posts: 7,882	I'm in. Maybe start at noon EST/5pm GMT? __________________ Rolex. The Rolex of watches. 16570 Expy2 Noir, 116710 GMT Master II, 2552.80 SMP

4 March 2008, 04:26 AM	#3
Numismatist "TRF" Member Join Date: Nov 2007 Real Name: Chris Location: Camden ME & STT Watch: 116600 Posts: 6,350	How about 2PM Eastern which is about half hour from now? Unless you've already started! __________________ Rolex 116600 Sea-dweller Montblanc Solitaire Doué Black & White Legrand FP Montblanc Solitaire Doué Black & White RB Montblanc Meisterstück Diamond Mozart BP Montblanc Meisterstück Mozart BP

4 March 2008, 04:48 AM	#6
Numismatist "TRF" Member Join Date: Nov 2007 Real Name: Chris Location: Camden ME & STT Watch: 116600 Posts: 6,350	Oh yeah, stupid me, TRF is of course Global (I know what you're thinking, you silly American). Noon tomorrow EST sounds good. __________________ Rolex 116600 Sea-dweller Montblanc Solitaire Doué Black & White Legrand FP Montblanc Solitaire Doué Black & White RB Montblanc Meisterstück Diamond Mozart BP Montblanc Meisterstück Mozart BP

4 March 2008, 05:03 AM	#8
SPACE-DWELLER "TRF" Member Join Date: Apr 2007 Real Name: Bo Location: Denmark Watch: Rolex, of course! Posts: 22,436	+ 1 sec. Sorry to be a spoilsport, but I already know what my SS GMT IIc would have gained by tomorrow. The accuracy of that watch is very consistant. __________________ With kind regards, Bo LocTite 221: The Taming Of The Screw...

4 March 2008, 04:43 AM	#4
Ed Rooney "TRF" Member Join Date: Aug 2007 Location: Annapolis, MD Watch: Sea-Dweller 16600 Posts: 5,081	Already got it, measured over the last 15 days. +3.2

4 March 2008, 06:25 AM	#11
f16570 "TRF" Member Join Date: Jan 2007 Real Name: F Location: Scotland Watch: Exp II White Face Posts: 4,272	We tried this early December and from then my Exp II is +9 seconds __________________ Why have what's new when you have what's best. f

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