Last fixed GMT movement from Rolex. Used exclusively in GMT-Master ref. 16700 (1988-1999). Features fixed 24-hour hand that rotates with hour hand—timezone tracking via bezel rotation, not independent hand adjustment. Replaced by Cal. 3187 with independently adjustable GMT hand.
Movement Type
Automatic
Jewel Count
31 jewels
Power Reserve
48h
Frequency
28,800 vph (8 Hz)
Diameter
28.5mm
Height
6mm
Rotor Type
central_rotor
Winding
automatic_bidirectional
Shock Protection
kif
