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12 December 2009, 08:55 PM | #1 |
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How to know if 3185 or 3186
Hello,
How to now if cal.3185 orr 3186 inside Pepsi GMT 16710 from 2008 dec. serie Z 367... Thanks in advance. satellite1 |
12 December 2009, 09:01 PM | #2 | |
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Quote:
http://www.rolexforums.com/showthrea...ht=wiggle+test
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13 December 2009, 04:16 AM | #3 |
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The Crown Method...
There is also the Crown test posted at http://www.minus4plus6.com/paracromblu16710.htm#crown
Essentially it is as follows: The Crown Method Another method for discerning a 3185 with the 3186 movement is through the the Crown Rotation Method. This method is another way to discern the type of movement without having to remove the caseback. Because the calendar and hour-hand setting mechanism was redesigned in the 3186 movement, the number of turns of the crown to turn the 12 hour hand is different on a 3186 than it is on a 3185. To perform this test, unscrew the crown such that the crown is in the hand setting position. With the crown face-up, count how many hours the hour-hand travels with one full revolution of the winding crown.
-Sheldon
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13 December 2009, 04:20 AM | #4 | |
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With the 3185 movement, one revolution of the CROWN, makes the hour hand jump forward FIVE hours. With the 3186 movement, one revolution of the CROWN, makes the hour hand jump forward EIGHT hours - tried this on my Exp-II (V-series with 3186 calibre) as well as the TT GMT-IIC. JJ
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13 December 2009, 06:27 AM | #5 | |
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13 December 2009, 06:45 AM | #6 |
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It's a 3185 since it's an early Z.
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13 December 2009, 06:55 AM | #7 |
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Correct!!
Some of the later on M-series would have the 3186, but you would need to get lucky in that respect, because some M's had it and some not. JJ
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13 December 2009, 06:58 AM | #8 |
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I still haven't heard of any confirmed M's with 3185's. Overall, serials were a pretty foolproof way of checking this until you reached right around the Z8 area.
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13 December 2009, 06:59 AM | #9 | |
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Quote:
JJ
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13 December 2009, 07:43 AM | #10 |
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15 December 2009, 02:40 AM | #11 |
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Thanks too all of you .... super!!
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15 December 2009, 02:44 AM | #12 |
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3186 movement started on the m series gmt2 pepsi. last production..
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15 December 2009, 02:45 AM | #13 | |
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Quote:
JJ
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15 December 2009, 03:35 AM | #14 |
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The actually started in the late Z serials, from that point on, they should have the 3186.
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15 December 2009, 04:15 AM | #15 |
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the ones with the Z don't have the 3186.
I have sold 5 of the 3186 in the past year and all of them had an M3 serial...so I would guess that it has to have an M2 to M6 serial and they all had the stick dial as well... I hope that helped. |
15 December 2009, 04:41 AM | #16 |
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There is a Z9 on one of the forums that was opened and found to have a 3186, and I have a Z86 GMT which passes the wiggle and the crown test exactly as my M36 GMT does However both are brand new and I don't intend to open the cases as of now. It has also been mentioned on these forums that there was a Z77 opened and it had a 3185 movement in it. As time passes and all members keep reporting we will get closer and closer to where it all started. If there are some Late Z GMT Models out there I would believe these to be the rarer of the M series GMT's , Only MHO.
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15 December 2009, 05:12 AM | #17 |
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Wrong - late production Z's had 3186s. Dials don't mean anything.
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15 December 2009, 05:19 AM | #18 |
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I agree Fully with Scottschoe
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15 December 2009, 05:24 AM | #19 |
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Uggg now I gotta go home and play with my White Exp II M to see...
I really did not care that much till now since you guys got my OCD going here... Perhaps my ADD will kick in and I will just forget all about it by the time I get home. Luckily I wore my IWC Aquatimer Ti Chrono today or else I wouldn't even be able to type this as Id be trying to figure it out ASAP.
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15 December 2009, 05:41 AM | #20 |
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15 December 2009, 06:50 AM | #21 |
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the same principle applies to the exp2s. i have a z977xxx with a 3186. i've encountered/communicated with others who have a late z gmt ii with the 3186. right, dials mean nothing. i tried putting together a table of serials to discern when they switched. i know of one z7 with a the 3186. presumably, all z8s will have them.
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