AUTOMATIC • Analog • Chronograph: Chronograph, Column wheel
Hands: Hours, Minutes, Small Seconds
Chronometer, Co-Axial Escapement
Jewels
54
Reserve
60 h
Frequency
28,800 vph (4.0 Hz)
Diameter
-
Height
-
About this caliber
Self-winding chronograph with Si14 Silicium balance spring, co-axial escapement, two barrels, column wheel and vertical clutch.
The METAS-certified version of this movement is the 9900 / 9901.