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Author Topic: Turns per day recommendation?  (Read 5405 times)

Offline incountry

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Turns per day recommendation?
« on: April 22, 2014, 09:22:37 pm »
What are your thoughts on the number of turns per day that I should set on my winder?  I have 2 GMT's and a Sea Wolf from the late 60's and a Sea Wolf Professional and Chronograph from the early 90's; my winder slots can be set independently for the TPD.  I searched earlier posts on the subject of winders but I was not able to find anything definitive regarding the suggested turns per day for the various models.  I usually wear a different watch each day so I like to keep them wound and ready to go. Also, is there any danger of over winding them? Thanks.
     

Offline incountry

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Re: Turns per day recommendation?
« Reply #1 on: April 29, 2014, 11:15:21 pm »
Well, it's been a week and no responses. I must have asked a top secret question that only gets answered on a need to know basis.  :helpme

Online Ultra-Vintage

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Re: Turns per day recommendation?
« Reply #2 on: April 30, 2014, 10:25:24 am »
No secret, I missed the post.  My bad. 

I do not use winders, however, I have some info that may help.  The automatic winding of most watches is meant to be a gradual thing.  Most Seawolfs take 17 - 20 full manual winds before the barrel starts slipping.  Through recent experimentation I found that those 17-20 winds correlates to 250 - 270 advancement clicks of the barrel wheel.  The rotor must rotate 3.5 times to advance the barrel wheel one click, so that means that from a dead stop to fully wound the rotor would have to make 900 - 1000 full revolutions.  The watch cannot be overwound, it is designed to allow continual winding.

What are the possible speed settings?




Offline incountry

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Re: Turns per day recommendation?
« Reply #3 on: April 30, 2014, 08:56:45 pm »
Thanks U-V, I appreciate your response.  Knowing that they cannot be overwound is a relief to me.  The winder has 17 settings available; the minimum turns per day is 650 and the maximum is 3600.  Currently I have them all set at 1440 TPD.  From what you said, it seems that they'll be fine if I turn them down to about 900 TPD.  Is that correct?
 :BGW:     

Offline rdenney

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Re: Turns per day recommendation?
« Reply #4 on: May 01, 2014, 04:14:08 am »
That's where I run mine, and they seem to stay wound.

Rick "thinking these need a bit more than a 2892 or 2824" Denney

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Re: Turns per day recommendation?
« Reply #5 on: May 01, 2014, 10:00:06 am »
Thanks U-V, I appreciate your response.  Knowing that they cannot be overwound is a relief to me.  The winder has 17 settings available; the minimum turns per day is 650 and the maximum is 3600.  Currently I have them all set at 1440 TPD.  From what you said, it seems that they'll be fine if I turn them down to about 900 TPD.  Is that correct?
 :BGW:   

I think 900 a day should be fine.  Especially since it is constant and does not have to play catch up from a period where it was not being wound.

Offline incountry

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Re: Turns per day recommendation?
« Reply #6 on: May 01, 2014, 02:50:11 pm »
Rick and U-V; Thanks for the input guys, it's much appreciated.  I got my winder :#Rulz now!

 

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