Rolex 3085

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Cal. 3085 is an automatic GMT movement produced by Rolex from 1983 through 1989.


Self-winding movement, bi-directional winding, 28,800 A/h, 27 jewels, GMT function (dual time zone) and date indication.

Used in the GMT-Master II Ref. 16760 and Explorer II Ref. 16550.




Self-winding movement, bi-directional winding
Chronometer certificate (COSC)
Breguet hairspring
Microstella precision adjustment with regulation screws
Kif shock protection


Central seconds
Rapid calendar advance
Hacking seconds
GMT function (dual time zone) in 24-hours mode


12½ lignes
D 28.5 mm, H 6.3 mm
27 jewels
28,800 A/h
Power reserve 42h

Production period:

Production: 1983-1989
Successor: Rolex 3185

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