GMT-Master II movement with independently adjustable 24-hour hand. Features Parachrom blue anti-magnetic hairspring. Replaced click spring design eliminated the characteristic 24-hour hand wobble of predecessor 3185. Used in GMT-Master II and Explorer II.
Movement Type
Automatic
Jewel Count
31 jewels
Power Reserve
50h
Frequency
28,800 vph (8 Hz)
Diameter
28.5mm
Rotor Type
central_rotor
Winding
automatic_bidirectional
Shock Protection
kif
