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RolexPete · 27 February 2010, 12:58 AM

I got my 1965 1501 Date back from service a few days ago, and immediatley began timing it. It is running 6.95 sec slow per day, not within COSC obviously. It is a 1570 movement.

Should I accept that it is an older Rolex and live with it, or do you all think it could be regulated more closely? When I sent it in it was running over 20 sec slow per day, so obviously it is a major improvement.

As a side note, my 1987 16030 Datejust that was serviced a few months ago by the same person is running .63 sec fast per day. NICE!

Rscmaine · 27 February 2010, 01:05 AM

Heck no...

I had a 1570 movt 1601 which ran dead flat zero. That needs to be addressed.

Will your watch guy re regulate?

RolexPete · 27 February 2010, 01:09 AM

Quote:

Originally Posted by Rscmaine

Heck no...

I had a 1570 movt 1601 which ran dead flat zero. That needs to be addressed.

Will your watch guy re regulate?

I will find out.

sakuraba · 27 February 2010, 01:49 AM

FWIW my mom's 1953 Lady DJ is running spot on after a recent service.

I believe any Rolex should be capable of COSC regardless of age if in proper shape.

Hope you get this sorted out, Pete.

padi56 · 27 February 2010, 02:06 AM

Quote:

Originally Posted by RolexPete

I got my 1965 1501 Date back from service a few days ago, and immediatley began timing it. It is running 6.95 sec slow per day, not within COSC obviously. It is a 1570 movement.

Should I accept that it is an older Rolex and live with it, or do you all think it could be regulated more closely? When I sent it in it was running over 20 sec slow per day, so obviously it is a major improvement.

As a side note, my 1987 16030 Datejust that was serviced a few months ago by the same person is running .63 sec fast per day. NICE!

If its been recently serviced give it a bit of time to settle in to your wearing
habits.Try resting your watch flat dial up might gain a few seconds over night and how do you measure .63 seconds .

RolexPete · 27 February 2010, 02:32 AM

Quote:

Originally Posted by padi56

If its been recently serviced give it a bit of time to settle in to your wearing
habits.Try resting your watch flat dial up might gain a few seconds over night and how do you measure .63 seconds .

I have an excel spreadsheet that I downloaded from the web and it's sole purpose is to calculate loss/gain. It was from someone on an Omega forum that did it. You put in a starting date and time, then an end date and time, and the gain or loss in that period. Great little tool.

Tools · 27 February 2010, 02:38 AM

Keep in mind that COSC and it's standards did not exist before 1973..

Your watch runs within the "accepted" 10 second spread for watches of the era..

However...I know that that movement can be regulated to perform better.. If it is 6 seconds slow consistently, it can be regulated to be ~3 seconds fast and the slow beat movements are very adaptable to positional regulation..

At night lay it flat on it's back if it is running slow..

27 February 2010, 12:58 AM	#1
RolexPete "TRF" Member Join Date: Dec 2009 Real Name: Peter Location: Massachusetts Watch: 214270 Mk2 Posts: 1,963	Watch running slow even after recent service I got my 1965 1501 Date back from service a few days ago, and immediatley began timing it. It is running 6.95 sec slow per day, not within COSC obviously. It is a 1570 movement. Should I accept that it is an older Rolex and live with it, or do you all think it could be regulated more closely? When I sent it in it was running over 20 sec slow per day, so obviously it is a major improvement. As a side note, my 1987 16030 Datejust that was serviced a few months ago by the same person is running .63 sec fast per day. NICE! __________________ 2016 Explorer 214270 Mk2 - 1996 Submariner 14060* - 1972 Datejust 1601 1972 Oyster Perpetual 1002 - 1978 Oysterquartz 17000 Omega Seamaster 2265.80 - Omega Seamaster 300 166.0324 *RIP PAL 1942-2015

27 February 2010, 01:05 AM	#2
Rscmaine "TRF" Member Join Date: Feb 2009 Real Name: Nat Parkinson Location: Maine, USA Watch: me pull a rabbit.. Posts: 1,196	Heck no... I had a 1570 movt 1601 which ran dead flat zero. That needs to be addressed. Will your watch guy re regulate? __________________ When the alien spaceships actually landed, to everyone's surprise, it turned out that the world's governments had not been hiding anything. They were just as clueless as the rest of us!

27 February 2010, 01:49 AM	#4
sakuraba "TRF" Member Join Date: May 2009 Real Name: Jib Location: SJ, California Watch: sun dial Posts: 8,189	FWIW my mom's 1953 Lady DJ is running spot on after a recent service. I believe any Rolex should be capable of COSC regardless of age if in proper shape. Hope you get this sorted out, Pete. __________________ F 14000 AirKing black F 16710 GMT Pepsi F 16570 Explorer II white T 16600 SD D 16610 LV "fine quality is remembered long after the pain of spending money" -Steve Mulholland

27 February 2010, 02:38 AM	#7
Tools TRF Moderator & 2024 SUBMARINER Patron Join Date: May 2007 Real Name: Larry Location: Mojave Desert Watch: GMT's Posts: 43,453	Keep in mind that COSC and it's standards did not exist before 1973.. Your watch runs within the "accepted" 10 second spread for watches of the era.. However...I know that that movement can be regulated to perform better.. If it is 6 seconds slow consistently, it can be regulated to be ~3 seconds fast and the slow beat movements are very adaptable to positional regulation.. At night lay it flat on it's back if it is running slow.. __________________ (Chill ... It's just a watch Forum.....) NAWCC Member

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