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Old 6 October 2014, 04:04 PM   #1
Konketsu
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My Excellent BLNR

Since I got my wonderful Rolex GMT II last year it has been losing around 2 to 2.5 seconds per day, or a little over 1 minute a month. I had been resetting once every couple months and not really thinking much about it.

I'm sure we've all seen the old Rolex manual page describing how different resting situations affect the time, but I had tried these with little affect.


At night lately I keep it on a winder, because some days I only wear it 4-6 hours in the evening after work and some days I wear another watch. I had been keeping it upright with 12 at the top in the winder, but just as an experiment I thought I'd put it upside down with 6 at the top, when it wasn't winding. I remember the previous owner said he kept it crown down at night and it would only lose 1 second per day for him, so maybe a different position would improve upon what I'd been getting.

I had reset the time on it just before this photo two weeks ago:

EXIF Data:
Date and Time (Original) 2014:09:21 17:46:23


GMT Master II BLNR by J.W.C., on Flickr

And today I checked again:
Date and Time (Original) 2014:10:05 22:13:31


GMT IIC BLNR by J.W.C., on Flickr

In the past two weeks, it has constantly stayed within 1 second of true. Upside down on the winder it gains back the 1 second it might lose throughout the day being worn. Now, I only set the date ahead on non 31 day months and will have to adjust the hour hand for winter. The most easy thing to do on a GMT II, as the hour hand can move backwards and forwards independent of the minutes and seconds.

Most excellent indeed.
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Old 6 October 2014, 10:30 PM   #2
Pattyb69
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Excellent time keeping!

My Sub C basically runs the exact same way. It loses time right-side up in the winder or on the wrist and gains time when it is up-side down in the winder. I've been able to keep it between -1 and +1 for the last few months now depending on how long I wear it and how I keep it in the winder.
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Old 26 October 2014, 10:40 AM   #3
biggums
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That is sure a beauty!
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Old 26 October 2014, 11:27 AM   #4
sea-dweller
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Very nice!
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Old 26 October 2014, 12:14 PM   #5
Konketsu
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Thanks guys! Very happy with it.
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Old 26 October 2014, 08:36 PM   #6
Psmith
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Nice
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Old 27 October 2014, 02:16 AM   #7
Spoonage
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Good to know.
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Old 29 October 2014, 01:36 PM   #8
sturgeon123456
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Very nice and excellent timekeeping
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Old 30 October 2014, 09:55 PM   #9
Dagmus
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Holy crap this works for all my Rolex's if you are ever in DC I owe you a beer for the info.
The service centre has worked on a few nothing seemed to fix the issue...
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Old 31 October 2014, 05:30 AM   #10
Konketsu
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I'm glad it works for other people too!
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Old 8 November 2014, 02:57 PM   #11
Nycturbovr6
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Wow! Great piece
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Old 13 November 2014, 01:53 PM   #12
gazeboarder
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Love the look of this watch. Thanks for the post.
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Old 15 November 2014, 08:33 AM   #13
cc75
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Very Nice watch
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Old 16 November 2014, 12:33 PM   #14
seand442
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Nice GMT.
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Old 16 November 2014, 02:28 PM   #15
Friar
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Very nice! My Explorer II gains one second a day. If left vertically with 12:00 up, it loses a second overnight.
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Old 19 November 2014, 03:52 PM   #16
Comex1665
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Is it me or Rolex seems to have reduced the date mag on their latest models?
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Old 20 November 2014, 06:43 AM   #17
evo63
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Thanks for the post. I have a BLNR and never tire of looking at it or wearing it. Great piece.
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Old 22 November 2014, 02:34 AM   #18
flatmad
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I love my BLNR too.. but for some reason, I only keep it in my safe.. havnt worn a single day after purchased..

weird haha..
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Old 22 November 2014, 05:41 AM   #19
Comex1665
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My Excellent BLNR

Don't you have notice that Rolex change their date magnification in their latest models ?
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Old 22 November 2014, 07:07 AM   #20
somatic
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I love the way that watch looks....and I've never been a fan of the GMT-II before.
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Old 11 December 2014, 01:12 PM   #21
Jbranda
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Ive had mine sitting face up and see thhat it stops evey 2 days i leave it and dont wear it. Anyone else experiencing this?
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Old 12 December 2014, 12:55 AM   #22
Rabbithitthetree
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When i first bought my BLNR about 1 1/2 years ago it was running slower about 1.5-2 seconds a day. Now, as time passes, it runs constantly about 1-1.5 seconds a day.

The key is consistency. The 3186 movement is solid!
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Old 15 December 2014, 08:09 AM   #23
Rob519
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Does this watch have the same movement as the late Explorer II 16570? Like exactly the same?

P.S. Amazing looking watch! I love the blue and black together.
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Old 16 January 2015, 03:53 PM   #24
2106
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Quote:
Originally Posted by Jbranda View Post
Ive had mine sitting face up and see thhat it stops evey 2 days i leave it and dont wear it. Anyone else experiencing this?
nothing wrong if its not on a winder. it has a 40 hour power reserve so after 2 days the reserve would have run out
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Old 20 January 2015, 03:35 PM   #25
T01
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Awesome watch!
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Old 6 February 2015, 05:26 AM   #26
chriswang0130
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Amazing......I went to the AD for these, they didn't have it. Put me on #5 in line loll
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Old 8 February 2015, 03:21 AM   #27
jhcam8
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Good tips, thanks.
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Old 12 February 2015, 06:41 PM   #28
ogbrd
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D


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Old 13 February 2015, 09:00 AM   #29
gbcecil
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Good to know, nice timepiece!
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Old 28 February 2015, 03:12 PM   #30
sandysandy8888
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Very nice!
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