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JONICURN

Rolex 1570 losing time

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Hi, i have a Rolex 1570 movement that loses 40 minutes a day only in dial up position.  All other positions, while on the timegrapher, measure really good.  This watch had complete overhaul by a Rolex certified watchmaker in California less than 6 months ago.   Where should i look for fault?

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If possible, either estimate the balance amplitude while in the fault state, or take a slow-mo video to make an exact measurement. My initial thoughts were the same as Clockboy's, ie. an escapement issue. Could be for many reasons.

I'd certainly want to take it back to the person who serviced it...

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1 hour ago, rodabod said:

Unfortunately the timegrapher is unable to register an amplitude reading in that photo. 

Correct, and the pattern is the so called snowfall one. That indicates a beat so irregular, and an amplitude so reduced, that the instrument shows no values rather than meaningless ones. The result is (as the OP indicated), that is is extremely slow in that position. 

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What I would be interested to know is if the amplitude is indeed extremely low or if the amplitude is reasonable but the escaping action is all over the place.

I’ve had the latter when the safety roller / finger has been out of adjustment and that possibly introduces additional sounds which confuses the timegrapher. 

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5 minutes ago, rodabod said:

What I would be interested to know is if the amplitude is indeed extremely low or if the amplitude is reasonable but the escaping action is all over the place.

I’ve had the latter when the safety roller / finger has been out of adjustment and that possibly introduces additional sounds which confuses the timegrapher. 

In that case the machine would show meaningful values, and some sort of pattern with scattered dots. Be reassured that's simply a case of crappy beating when resting on the upper pivot.

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10 hours ago, JONICURN said:

So, great news, and thanks to all the helpful members involved...I fixed it! 

By the way, the jeweler who overhauled the watch said their warranty didn't transfer to other owners.

Excellent! 

Pitiful attitude by the jeweler. As if he had to pay with his money. Once again proves that one should not ever bring them Watches for repair.

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On 09.02.2018 at 4:14 PM, jdm said:

Excellent! 

Pitiful attitude by the jeweler. As if he had to pay with his money. Once again proves that one should not ever bring them Watches for repair.

So what was it?

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