Automatic movement with date complication, used in first Oyster Perpetual Date models (ref 6534, 6518, 6530). COSC chronometer-certified, adjusted to 5 positions and temperatures. Introduced in 1957.
Movement Type
Automatic
Jewel Count
25 jewels
Power Reserve
48h
Frequency
18,000 vph (5 Hz)
Diameter
28.5mm
Height
6.66mm
Rotor Type
central_rotor
Winding
automatic_bidirectional
Shock Protection
kif
