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colinsuper7 · 31 January 2012, 06:37 AM

Dear Rolexperts,
one little question: since when do we have the 3186 caliber in the explorer 2?
(if we take the Z series from 2008, what caliber do we have inside?)

thanks for your contributions.
c.

TTmax · 31 January 2012, 06:41 AM

The beginning of 3186 for 16570 Explo2 was during Z serie (as well as 16710 Gmt2).

Engraved rehaut, most probably a 3186. Not RRR, then 3185.

To be sure, try the crown test.

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.
■3185: one complete crown revolution makes the hour hand jumps 6 timezones/hours
■3186: one complete crown revolution equals 8-9 timezones/hours

colinsuper7 · 31 January 2012, 07:26 AM

thanks for this clear answer!

FremStar · 31 January 2012, 07:53 AM

The Frenchman with another solid answer!

31 January 2012, 06:37 AM	#1
colinsuper7 "TRF" Member Join Date: Nov 2011 Location: brussels Posts: 2	caliber 3186 on explorer 2 (40mm series) Dear Rolexperts, one little question: since when do we have the 3186 caliber in the explorer 2? (if we take the Z series from 2008, what caliber do we have inside?) thanks for your contributions. c.

31 January 2012, 07:53 AM	#4
FremStar "TRF" Member Join Date: May 2009 Real Name: Sam Location: Gotham City Watch: Wall Street Posts: 9,954	The Frenchman with another solid answer! __________________ "Wealth is of the heart and mind, not of the pocket!" "A Watch Is An Emotional Object, And So, It Is The Responsibility Of The Brand To Create Emotion Through It's Products" - Georges Kern "In the 1950s and 60s, they made the Ref 8171, which is a cult collectible—now that’s the ultimate Rolex you could own with a calendar and a moon phase.” - John Reardon "Heh, heh, heh..." - Michael Kilyung

31 January 2012, 06:41 AM	#2
TTmax Banned Join Date: Mar 2011 Real Name: Christophe Location: France Watch: DJ/Gmt2/IIc/E2/ToG Posts: 434	The beginning of 3186 for 16570 Explo2 was during Z serie (as well as 16710 Gmt2). Engraved rehaut, most probably a 3186. Not RRR, then 3185. To be sure, try the crown test. 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. ■3185: one complete crown revolution makes the hour hand jumps 6 timezones/hours ■3186: one complete crown revolution equals 8-9 timezones/hours

31 January 2012, 07:26 AM	#3
colinsuper7 "TRF" Member Join Date: Nov 2011 Location: brussels Posts: 2	thanks for this clear answer!

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