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Lol-x · 10 May 2022, 01:14 PM

Just tested today on the timegrapher:
Dial up: 0+/- seconds per day, 280 degrees and 0.1ms beat error.
Dial down: +10 seconds per day, 274 degrees and 0.1ms beat error.

Strange as it may seem when I wound the watch 60 rotations, it seems to have changed (settled down) the movement from +10 seconds per day to 0 seconds per day (dial up).

I think that winding the watch 60 times has relaxed the main spring and the result is more accurate timekeeping. But how was I to know to wind the watch 60 times, there isn't anything in the instruction manual about that....

To me there is no other explanation how this can go overnight from +10 to +/- 0 seconds per day.

Lol-x · 12 May 2022, 04:11 PM

It seems that the readings from the timegrapher is somewhat meaningless.
The watch is gaining 10 seconds per day so the reading on the timegrapher of +/- zero seconds per day is misleading.

saxo3 · 14 May 2022, 03:29 AM

Methodology is not correct. One needs to measure the rates and amplitudes in all positions (DU, DD, 3U, 6U, 9U) and then determine the average values X.

10 May 2022, 01:14 PM	#1
Lol-x Facilitator Join Date: Nov 2005 Real Name: Steve Location: Omnipresent Posts: 33,566	Just tested today on the timegrapher: Dial up: 0+/- seconds per day, 280 degrees and 0.1ms beat error. Dial down: +10 seconds per day, 274 degrees and 0.1ms beat error. Strange as it may seem when I wound the watch 60 rotations, it seems to have changed (settled down) the movement from +10 seconds per day to 0 seconds per day (dial up). I think that winding the watch 60 times has relaxed the main spring and the result is more accurate timekeeping. But how was I to know to wind the watch 60 times, there isn't anything in the instruction manual about that.... To me there is no other explanation how this can go overnight from +10 to +/- 0 seconds per day. __________________ *Most folks are about as happy as they make up their minds to be.* ~Abraham Lincoln Nothing compares to the simple pleasure of a bike ride. ~John F. Kennedy ROLEXploitation - yeah I'm a victim

12 May 2022, 04:11 PM	#2
Lol-x Facilitator Join Date: Nov 2005 Real Name: Steve Location: Omnipresent Posts: 33,566	It seems that the readings from the timegrapher is somewhat meaningless. The watch is gaining 10 seconds per day so the reading on the timegrapher of +/- zero seconds per day is misleading. __________________ *Most folks are about as happy as they make up their minds to be.* ~Abraham Lincoln Nothing compares to the simple pleasure of a bike ride. ~John F. Kennedy ROLEXploitation - yeah I'm a victim

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14 May 2022, 03:29 AM	#3
saxo3 "TRF" Member Join Date: Dec 2020 Location: . Posts: 2,915	Methodology is not correct. One needs to measure the rates and amplitudes in all positions (DU, DD, 3U, 6U, 9U) and then determine the average values X.

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