Montblanc caliber MB M66.25

Montblanc caliber MB M66.25
Brand:Montblanc
Reference:MB M66.25
Movement:Handwound
Display:Analog
Diameter:38.40
Jewels:37
Reserve:100
Frequency:18000
Chronograph:Chronograph, Column wheel, Monopoussoir
Hands:Hours, Minutes, Small Seconds

Description

Manually wound monopusher chronograph with a blanace wheel for the time indication and a balance wheel for the chronograph. Central 1/100 seconds counter.

Frequency for chronograph balance 360.000 bph.
Power reserve for the chronograph approx. 45 minutes.

Calibers based on the Montblanc MB M66.25: