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Old 16 March 2013, 11:53 AM   #1
benlee
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Reserve Power of Rolex 216570?

I have a Rolex Explorer II 216570. I attempt to measure the reserve power of this watch since I can't find the official figures. Wind the watch fully on 12th Mar midnight and leave it in my drawer. It finally stops on 15th Mar at 11PM. That gives a reserve power of 71 hours. Is this good?
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Old 16 March 2013, 11:56 AM   #2
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Yes. Very good. Power reserve is usually somewhere around 50 hours. I have one. Trust me I know.
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Old 16 March 2013, 01:28 PM   #3
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Mine is always over 50 hours.
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Old 16 March 2013, 05:43 PM   #4
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The power reserve of the 3187 movement is around 48 hours and while there would be a +/- percentage from this figure if you got 71 hours I would check it again.
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Old 16 March 2013, 06:01 PM   #5
Nivla
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I wound my 216570 twenty times then wore it for three days then took it off and kept it in a drawer without winding again. Power reserve was 47.5 hours. Did it twice with the same result.
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Old 16 March 2013, 07:14 PM   #6
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according to a previous post in TRF, it is 72 hrs. But some sources quote 48 hrs.

https://www.rolexforums.com/showpost...06&postcount=1

http://www.chrono24.com/en/rolex/exp...-id2142364.htm

Mine is less than 2 months old. Does power reserve deteriorate over pro-long use?
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Old 16 March 2013, 08:10 PM   #7
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Quote:
Originally Posted by benlee View Post
according to a previous post in TRF, it is 72 hrs. But some sources quote 48 hrs.

https://www.rolexforums.com/showpost...06&postcount=1

http://www.chrono24.com/en/rolex/exp...-id2142364.htm

Mine is less than 2 months old. Does power reserve deteriorate over pro-long use?
I'm a little lost here, if you measured 71 Hr's PR on your watch what is the problem?
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Old 16 March 2013, 08:38 PM   #8
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The power reserve of the 3187 movement is around 48 hours and while there would be a +/- percentage from this figure if you got 71 hours I would check it again.
Have to agree 71 hours is very doubtful that's around Daytona PR but as long as its around 40-48 hours all is fine.
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Old 16 March 2013, 09:14 PM   #9
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I'm a little lost here, if you measured 71 Hr's PR on your watch what is the problem?
No problem. I'm just curious about the reserve power because I got the impression it doesn't have a long reserve power since it stops 1-2 days after I stop wearing it. But this was the first time I wind it completely for 40 turns.

I think I will measure it again....
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Old 16 March 2013, 09:23 PM   #10
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No problem. I'm just curious about the reserve power because I got the impression it doesn't have a long reserve power since it stops 1-2 days after I stop wearing it. But this was the first time I wind it completely for 40 turns.

I think I will measure it again....
Yes I would measure it again.
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