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Rolex 3085
Last updated: July 26, 2025
Brand
Caliber Number
3085
Production Period
1988
Lignes
12.5”’
Diameter
28.5 mm
Height
6.5 mm
Power Reserve
Unconfirmed
Frequency
28,800 bph (4 Hz)
Jewels
27
Escapement
Swiss lever
Anti-Shock Device
KIF
Hand Count
4
Manufacture Region
Unconfirmed
Functions
Hours, Minutes, Seconds, Date, GMT (independent hour hand)
Rolex 3085 Description
A short-lived transitional movement that served as the direct predecessor to the Cal. 3185, powering the earliest GMT-Master II (Ref. 16710) models. Based on the 30xx platform, this COSC-certified chronometer was among the first to feature an independently adjustable 12-hour hand for true GMT functionality. Its rarity makes it a point of interest for collectors of transitional Rolex references.
