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Old 28 July 2013, 01:20 PM   #1
versatile1
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1/4 sweep or 1/8th?

As long as I can remember people would talk about being able to spot a fake Rolex because they ticked where as a Real one has a 1/4 sweep.

Obviously there are many other ways to distinguish authentic from fake but my question is, does the Rolex movement actually have a 1/4 sweep, meaning 4 quick movements per second or is it actually more like an 1/8th sweep or 8 movements per second?

I've been watching my second hand for a few minutes and I find it hard to believe that it is moving less then 8 times each second

Thoughts?
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Old 28 July 2013, 01:26 PM   #2
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8
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Old 28 July 2013, 01:52 PM   #3
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Its 8. Recenty somebody posted a pic that actually shows the 8 movements. It was a sweet pic.
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Old 28 July 2013, 01:58 PM   #4
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Vintage Rolex beat at 5 ticks per second.. Modern Rolex beat at 8 ticks per second..

maybe the photo you saw was one of mine...

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Old 28 July 2013, 02:55 PM   #5
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That is a very cool pic!
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Old 28 July 2013, 02:57 PM   #6
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Awesome shot!

May I have a full resolution copy of it please?

Quote:
Originally Posted by Tools View Post
Vintage Rolex beat at 5 ticks per second.. Modern Rolex beat at 8 ticks per second..

maybe the photo you saw was one of mine...

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Old 28 July 2013, 04:18 PM   #7
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28800 bph = 8 beats per second.

Check out this vid:

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Old 28 July 2013, 04:36 PM   #8
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Quote:
Originally Posted by versatile1 View Post
As long as I can remember people would talk about being able to spot a fake Rolex because they ticked where as a Real one has a 1/4 sweep.

Obviously there are many other ways to distinguish authentic from fake but my question is, does the Rolex movement actually have a 1/4 sweep, meaning 4 quick movements per second or is it actually more like an 1/8th sweep or 8 movements per second?

I've been watching my second hand for a few minutes and I find it hard to believe that it is moving less then 8 times each second

Thoughts?
Most all mechanical watches today including Rolex beat at 28800BPH 8 ticks a second, some high beat movements beat at 36000BPH 10 ticks a second.Older Rolex movements like the bubble back and say cal 1560 18000BPH while the cal 1570 was 19800BPH
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Old 28 July 2013, 04:45 PM   #9
versatile1
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Interesting stuff guys
Thanks
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Old 28 July 2013, 05:42 PM   #10
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Very educational indeed. This why I love this forum so much
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Old 28 July 2013, 11:03 PM   #11
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Thanks.

Regards.
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Old 28 July 2013, 11:43 PM   #12
mjclark32
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Great pic
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Old 29 July 2013, 12:07 AM   #13
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OysterQuartz is 1 tick each second.

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Old 29 July 2013, 12:15 AM   #14
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Past my iPhone, I'm not a camera guy... but how the heck do you guys take pix like that?
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Old 29 July 2013, 12:18 AM   #15
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Great pic and great info, once again TRF school is in session!
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Old 29 July 2013, 01:33 AM   #16
versatile1
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Quote:
Originally Posted by Manofsteelpt View Post
Past my iPhone, I'm not a camera guy... but how the heck do you guys take pix like that?
Shutter speed, low light
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Old 29 July 2013, 01:56 AM   #17
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Superb pix gents!
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Old 29 July 2013, 02:46 AM   #18
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Great post, comments & pics - learned some new things.
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