OP XXI

AUTOMATIC • Analog • Chronograph: Chronograph, Column wheel, Foudroyante, Rattrapante Hands: Hours, Minutes, Small Seconds

Jewels

Reserve

42 h

Frequency

28,800 vph (4.0 Hz)

Diameter

36.6 mm

Height

About this caliber

Foudroyante split-seconds movement based on a a LaJoux-Perret modification of the 7750.

Movement: AUTOMATIC
Display: Analog
Jewels: 40
Power reserve: 42 hours
Frequency: 28,800 vph (4.0 Hz)
Hands: Chronograph: Chronograph, Column wheel, Foudroyante, Rattrapante Hands: Hours, Minutes, Small Seconds
Diameter: 36.6 mm
Height: -
Parts: -