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Old 1 December 2019, 02:42 AM   #1
jon1967us
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Serviced my Oyster P, unhappy with result. Need opinions.

I just got my vintage 1971 Oyster Perpetual 1501 back from servicing. Main spring and gaskets have been replaced, and the watch has supposedly been cleaned, lubricated, and adjusted. I will say the crown winds much more smoothly, but I've been keeping track of accuracy and am noticing a +12 second gain per day.

I was thinking of taking the watch to another watchmaker for inspection to check the original watchmaker's work (Have them put it on their analysis machine as well), and considering bringing the watch back to the original servicer so that they can take another crack at it to "get it right".

It seams to me the watch should not be gaining more than 6 seconds per day, s as Officially Certified Chronometer, right? i paid $400 for service by the way.
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Old 1 December 2019, 04:59 AM   #2
Tools
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If your watch is a 1971, then it pre-dates the oft mentioned COSC "standards", which did not come into being until 1974.

Still, I think that your watch could do better than 12 seconds, and you should just take it back to the watchmaker to have it regulated.

No responsible watchmaker is going to take it apart to determine if the other guy did a good job or not, they will simply charge you and do another full service.
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Old 1 December 2019, 10:32 AM   #3
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I assume they did not provide the regulation printout? I just had my DJ serviced by a CA watchmaker and they provided the printout and it is +/- 2 spd - and I confirmed via ToolWatch. It was -18 spd when I sent it in. Good luck!
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Old 1 December 2019, 03:43 PM   #4
jon1967us
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Quote:
Originally Posted by Tools View Post
If your watch is a 1971, then it pre-dates the oft mentioned COSC "standards", which did not come into being until 1974.

Still, I think that your watch could do better than 12 seconds, and you should just take it back to the watchmaker to have it regulated.
Makes sense

No responsible watchmaker is going to take it apart to determine if the other guy did a good job or not, they will simply charge you and do another full service.
Yeah, I wasn't sure about the politics on that, so thanks for the perspective.
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Old 1 December 2019, 03:48 PM   #5
jon1967us
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Originally Posted by vesnyder View Post
I assume they did not provide the regulation printout? I just had my DJ serviced by a CA watchmaker and they provided the printout and it is +/- 2 spd - and I confirmed via ToolWatch. It was -18 spd when I sent it in. Good luck!
Yeah, no printout for this Oyster P. Is this machine standard equipment for most watch repair shops and watchmakers? I'm thinking if they can get it down to +6, that should be realistic, I think. My next service on a GMT will insist on a printout.
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Old 1 December 2019, 07:53 PM   #6
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Quote:
Originally Posted by jon1967us View Post
I just got my vintage 1971 Oyster Perpetual 1501 back from servicing. Main spring and gaskets have been replaced, and the watch has supposedly been cleaned, lubricated, and adjusted. I will say the crown winds much more smoothly, but I've been keeping track of accuracy and am noticing a +12 second gain per day.

I was thinking of taking the watch to another watchmaker for inspection to check the original watchmaker's work (Have them put it on their analysis machine as well), and considering bringing the watch back to the original servicer so that they can take another crack at it to "get it right".

It seams to me the watch should not be gaining more than 6 seconds per day, s as Officially Certified Chronometer, right? i paid $400 for service by the way.
Like Larry stated the COSC tests did not start till 1973/4 but agree your watch could do better when regulated correctly. Was service done outside the RSC if so take it back to the ones who did service have them test it on timing machine.
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Old 2 December 2019, 01:01 AM   #7
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Originally Posted by jon1967us View Post
I'm thinking if they can get it down to +6, that should be realistic, I think. My next service on a GMT will insist on a printout.
With all due respect, if you are expecting better than Rolex tolerances (+10s/d) you should have been charged more than $400. That is an excellent price for a simple service, but it's not enough to be getting a watchmaker to give chronometric precision regulation as well.

Ask the original watchmaker for a slight regulation, but know that you are very nearly in tolerance already so there isn't much more that can be expected.
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Old 19 December 2019, 05:03 PM   #8
Bob_Sacamano
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+/-12 is acceptable for me for this kind of watch. A good service would cost about 650 euros and takes 4 to 6 months in Paris
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