Case fitting diameter: 11 1/2''' - Dia. 25.60 mm
Height: 3.35 mm
Frequency: 28'800 A/h (4 Hz)
Running time: 42h
Number of jewels: 17
Average rate: 12 +/- 12 s/d
Winding: Manual winding
Functions: Display by means of hands hours, minutes, seconds. No calendar.