Ladies/midsize automatic movement, 19,800 BPH. Used in Oyster Perpetual models (refs 6508-6802 range) from mid-1950s.
Movement Type
Automatic
Jewel Count
26 jewels
Frequency
19,800 vph (5.5 Hz)
Diameter
20mm
Height
5.4mm
Rotor Type
central_rotor
Winding
automatic_bidirectional
Shock Protection
kif
BRAND
TYPE
COUNTRY
