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Old 23 January 2014, 09:59 AM   #1
DWF
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Scary Accurate

I have been tracking the accuracy of my new SubC over the past three weeks: +.7 per day--yes point seven. I'm happy.

Now my six month old Datejust at +4 per day seems horribly inaccurate!!
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Old 23 January 2014, 10:02 AM   #2
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Nice accuracy. I am getting about .3 fast a day on my 1986 cal 3035 datejust. No complaints here!!
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Old 23 January 2014, 04:33 PM   #3
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Quote:
Originally Posted by DWF View Post
I have been tracking the accuracy of my new SubC over the past three weeks: +.7 per day--yes point seven. I'm happy.

Now my six month old Datejust at +4 per day seems horribly inaccurate!!
How does one ever record .07 of a second and no matter the movement its only as good as to what its been regulated too.
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Old 23 January 2014, 05:46 PM   #4
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How does one ever record .07 of a second and no matter the movement its only as good as to what its been regulated too.
0.7 Peter.
15 seconds fast over 21 days.
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Old 23 January 2014, 05:48 PM   #5
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Old 23 January 2014, 11:18 PM   #6
DWF
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0.7 Peter.
15 seconds fast over 21 days.
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Old 23 January 2014, 11:39 PM   #7
Watch Professor
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Terrific accuracy.

I can even top that: GMT IIC- -0.5 seconds/24 hours for the past three years.
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Old 23 January 2014, 11:44 PM   #8
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I am having similar results with my SubC LB
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Old 24 January 2014, 12:07 AM   #9
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Great accuracy guys! Nothing beats a good regulation of a good movement. My Daytona is not that accurate, about +4.2 sec/day but I used to own a vintage King Seiko from 1971 that was about +1.5 sec/week, sometimes even better. And even a non-COSC Tudor chronograph was constantly at +9 sec/week.
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Old 24 January 2014, 12:13 AM   #10
dysondiver
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wow ,,, thats some going out of a clockwork motor , in a tin box , that gets shaken about all day long.

watches are amazing when you actually think about what you expect them to do.
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Old 24 January 2014, 12:33 AM   #11
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I, too, have been getting great accuracy w/ my LV. After 54 days, it's 5 seconds fast. Pretty scary. Amazing little machine.
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Old 24 January 2014, 12:35 AM   #12
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Good stuff, enjoy it
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Old 24 January 2014, 01:06 AM   #13
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I can relate. My Sub does a very good +1 second a day but my Panerai Pam 104 is currently at 0 seconds in 64 days and counting. My Pam blows all my quartz watches away. Even my Omega PO gets +.25 seconds a day. COSC specs would be way disappointing now with any of my automatics.
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Old 24 January 2014, 01:24 AM   #14
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My Datejust that I bought six months ago is at +4 per day. I didn't have a problem with that until I got the new Sub with it's outstanding accuracy. I mentioned it to my AD and they readily offered to send it to Rolex to fine tune it. Do you guys see any downside to sending a new watch for regulation?
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Old 24 January 2014, 02:12 AM   #15
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Quote:
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My Datejust that I bought six months ago is at +4 per day. I didn't have a problem with that until I got the new Sub with it's outstanding accuracy. I mentioned it to my AD and they readily offered to send it to Rolex to fine tune it. Do you guys see any downside to sending a new watch for regulation?
I don't see a problem. Some folks value accuracy and some think it's a silly pursuit. For me it's just one more point of pride for a watch brand I admire and not least of all, paid lots of money for. I have a G series DJ and a random series EXPII. Both were regulated not long after purchase. Based on 24/7 wearing the DJ was +6s/day and is now +2s. The EXP was +7s/day and is now +0.3.
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Old 24 January 2014, 02:28 AM   #16
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My 114060 is similarly superb :)
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Old 24 January 2014, 02:41 AM   #17
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How does one ever record .07 of a second and no matter the movement its only as good as to what its been regulated too.
With math.
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Old 24 January 2014, 03:17 AM   #18
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With math.
I also used the calculator on my Macbook.
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Old 24 January 2014, 03:20 AM   #19
DWF
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I don't see a problem. Some folks value accuracy and some think it's a silly pursuit. For me it's just one more point of pride for a watch brand I admire and not least of all, paid lots of money for. I have a G series DJ and a random series EXPII. Both were regulated not long after purchase. Based on 24/7 wearing the DJ was +6s/day and is now +2s. The EXP was +7s/day and is now +0.3.
That's pretty much is how I feel too. I think I'm going to have the AD send it in.
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Old 24 January 2014, 07:03 AM   #20
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Old 24 January 2014, 08:32 AM   #21
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My Datejust that I bought six months ago is at +4 per day. I didn't have a problem with that until I got the new Sub with it's outstanding accuracy. I mentioned it to my AD and they readily offered to send it to Rolex to fine tune it. Do you guys see any downside to sending a new watch for regulation?
The only downsides are you'll be without the watch for a few weeks anyway, and it's already within spec so there may be a cost.
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Old 24 January 2014, 01:31 PM   #22
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My new SubC has lost a total of 5 seconds over the first 23 days of ownership, an average of -0.2 sec/day. Pretty amazing!! But, I just discovered my wife's 15-month old DJ was running +18 sec/day, so it's on its way to RSC.
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