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dddrees · 28 April 2012, 04:26 AM

I've owned a couple of self wind watches from a number of different brands such as Rolex,JLC, Panerai, IWC, and Brietling.

Granted some of these didn't have in house movements but they had solid ETA movements.

Regardless it appears that when I let my Nautilus and Royal Oak run down it really takes very little to get the watch running again. Basically picking it up and slight movement is all it takes and the watch will start running.

I generally do give them 40 winds if I'm going to wear them, I just thought it was pretty cool how it took very little before they would start running.

Fiery · 28 April 2012, 04:31 AM

Maybe it has something to do with their low beat rate? Rolex and most ETA movements run at 28.800 bph, while most Patek and AP movements are 21.600 bph AFAIK. Or maybe the heavy solid gold rotor also has a role in that?

dddrees · 28 April 2012, 04:37 AM

Quote:

Originally Posted by Fiery

Maybe it has something to do with their low beat rate? Rolex and most ETA movements run at 28.800 bph, while most Patek and AP movements are 21.600 bph AFAIK. Or maybe the heavy solid gold rotor also has a role in that?

I was thinkinng it was possibly might be the rotor or maybe the fact that the movement was so finely finished and polished.

FeelingTheBlues · 28 April 2012, 08:18 AM

I'm not an expert but a more finished and polished movement would probably influence the accuracy more than the fact that it starts easier when you shake the watch. I would tend to agree more with the heavy rotor hypothesis, a 21kt gold rotor must be rather thick and heavy indeed.

dddrees · 28 April 2012, 08:23 AM

Quote:

Originally Posted by FeelingTheBlues

I'm not an expert but a more finished and polished movement would probably influence the accuracy more than the fact that it starts easier when you shake the watch. I would tend to agree more with the heavy rotor hypothesis, a 21kt gold rotor must be rather thick and heavy indeed.

Maybe your right Carl, I'm not sure though that's why T thought I would ask. By the way I'm not shaking the watch, just picking it up and moving it.

FeelingTheBlues · 28 April 2012, 08:40 AM

Quote:

Originally Posted by dddrees

Maybe your right Carl, I'm not sure though that's why T thought I would ask. By the way I'm not shaking the watch, just picking it up and moving it.

Perhaps my verb wasn't the good one but I had pretty much the same thing in mind.

...I tend to be rough with my watches!

dddrees · 28 April 2012, 08:50 AM

Quote:

Originally Posted by FeelingTheBlues

Perhaps my verb wasn't the good one but I had pretty much the same thing in mind.

...I tend to be rough with my watches!

No harm no foul Carl. I know some people that actually shake their watches to get them going, I'm not doing that. I just wanted to make sure I was being clear.

FeelingTheBlues · 28 April 2012, 08:57 AM

Quote:

Originally Posted by dddrees

No harm no foul Carl. I know some people that actually shake their watches to get them going, I'm not doing that. I just wanted to make sure I was being clear.

You were, my friend!

Besides, I do not shake my watch to start it either, I'd rather turn the crown, it's much more fun!

28 April 2012, 04:26 AM	#1
dddrees "TRF" Member Join Date: May 2010 Real Name: Dan Location: USA Watch: This N That Posts: 34,251	Autmatatic Movements I've owned a couple of self wind watches from a number of different brands such as Rolex,JLC, Panerai, IWC, and Brietling. Granted some of these didn't have in house movements but they had solid ETA movements. Regardless it appears that when I let my Nautilus and Royal Oak run down it really takes very little to get the watch running again. Basically picking it up and slight movement is all it takes and the watch will start running. I generally do give them 40 winds if I'm going to wear them, I just thought it was pretty cool how it took very little before they would start running. __________________ When it captures your imagination, that's when you know you have found your passion. Loyal Foot Soldier of The Nylon Nation. Card Carrying Member of the Global Association of Retro-Grouch-Curmudgeons

28 April 2012, 04:31 AM	#2
Fiery "TRF" Member Join Date: Jul 2009 Location: Europe Watch: Sub-C 116610LN Posts: 2,649	Maybe it has something to do with their low beat rate? Rolex and most ETA movements run at 28.800 bph, while most Patek and AP movements are 21.600 bph AFAIK. Or maybe the heavy solid gold rotor also has a role in that? __________________ "In an age of obsolescence and gimmickry, this simple classic virtue of a Rolex is indeed a rarity." (Rolex ad from 1974)

28 April 2012, 08:18 AM	#4
FeelingTheBlues "TRF" Member Join Date: Sep 2011 Real Name: Carl Location: Always moving Watch: If you wish... Posts: 22,039	I'm not an expert but a more finished and polished movement would probably influence the accuracy more than the fact that it starts easier when you shake the watch. I would tend to agree more with the heavy rotor hypothesis, a 21kt gold rotor must be rather thick and heavy indeed. __________________ Mon corps c'est un pays en guerre sur l'point d'finir, Le général de l'armée de terre s'attend au pire, J'ai faim, j'ai frette, je suis trop faible pour me lever debout, On va hisser le drapeau blanc un point c'est tout. - André Fortin

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