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RRY · 13 February 2011, 12:20 PM

My recently RSC-serviced Tudor 79270 runs perfectly when I keep it on my wrist - it's within +3 seconds over a 2-week stretch. But if I leave it face up on a table it then runs -10 seconds a day. What gives? Is this normal for the movement? Thanks.

swatty · 13 February 2011, 12:46 PM

I haven't noticed such a big difference , Maybe its need to be wound fully, they do tend to speed up as power reserve gets less.

RRY · 13 February 2011, 03:13 PM

Quote:

Originally Posted by swatty

I haven't noticed such a big difference , Maybe its need to be wound fully, they do tend to speed up as power reserve gets less.

Strange, isn't it? I do keep the watch properly wound for the most part, and it runs 10 seconds slow a day, not fast.

Dan Pierce · 13 February 2011, 03:18 PM

Every watch I own runs much more consistent when worn rather than wound and stored.
My Tudor chronos, which run well within chronometer specs, might show some slowing when resting at night but not to the degree you're experiencing. Not sure what advice to give.
dP

Andad · 13 February 2011, 04:33 PM

Can I ask you your technique for the 'test'?

RRY · 13 February 2011, 05:04 PM

I usually wind my watch 40 turns and then wear it 24/7. The Tudor runs extremely accurately as long as I keep it on my wrist. When I don't wear it, I let it sit face up, and that's when it starts to lose time.

13 February 2011, 12:20 PM	#1
RRY "TRF" Member Join Date: Nov 2009 Real Name: DOUBLE RY Location: NYC Watch: and learn. Posts: 289	Question on the accuracy of Tudor chrono / Valjoux 7750 My recently RSC-serviced Tudor 79270 runs perfectly when I keep it on my wrist - it's within +3 seconds over a 2-week stretch. But if I leave it face up on a table it then runs -10 seconds a day. What gives? Is this normal for the movement? Thanks.

13 February 2011, 03:18 PM	#4
Dan Pierce 2024 Pledge Member Join Date: Dec 2006 Real Name: D'OH! Location: Kentucky Watch: Rolex-1 Tudor-3 Posts: 36,215	Every watch I own runs much more consistent when worn rather than wound and stored. My Tudor chronos, which run well within chronometer specs, might show some slowing when resting at night but not to the degree you're experiencing. Not sure what advice to give. dP __________________ TRF Member# 1668 Bass Player in TRF "AFTER DARK" Bar & NightClub Band Commander-in-Chief of The Nylon Nation The Crown & Shield Club Honorary Member of P-Club

13 February 2011, 04:33 PM	#5
Andad 2024 SubLV41 Pledge Member Join Date: Nov 2006 Real Name: Eddie Location: Australia Watch: A few. Posts: 37,526	Can I ask you your technique for the 'test'? __________________ E

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13 February 2011, 12:46 PM	#2
swatty 2024 SubLV41 Pledge Member Join Date: Dec 2007 Real Name: Peter Location: Sydney Watch: The Game Posts: 17,415	I haven't noticed such a big difference , Maybe its need to be wound fully, they do tend to speed up as power reserve gets less.

13 February 2011, 05:04 PM	#6
RRY "TRF" Member Join Date: Nov 2009 Real Name: DOUBLE RY Location: NYC Watch: and learn. Posts: 289	I usually wind my watch 40 turns and then wear it 24/7. The Tudor runs extremely accurately as long as I keep it on my wrist. When I don't wear it, I let it sit face up, and that's when it starts to lose time.

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