Bubble Back, 18,000 vph. Rolex's first automatic movement featuring the Perpetual rotor. Uni-directional winding, hand-windable.
Movement Type
Automatic
Jewel Count
17 jewels
Power Reserve
35h
Frequency
18,000 vph (5 Hz)
Diameter
26.4mm
Height
7.5mm
Rotor Type
central_rotor
Winding
automatic_unidirectional
