Thread: The Rolex Explorer II
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Old 12 November 2012, 02:03 AM   #68
mwatch
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Quote:
Originally Posted by Czechman View Post
Is there any way to determine if my Explorer II 16570 with a D serial has a 3186 or 3187 movement without opening the case?
Do you mean 3185 or 3186? I think the switch to 3186 was during the Z serial run.
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