Montblanc caliber MB M13.21

Montblanc caliber MB M13.21
Brand:Montblanc
Reference:MB M13.21
Movement:Handwound
Display:Analog
Diameter:29.50
Jewels:22
Reserve:55
Frequency:18000
Chronograph:Chronograph, Column wheel, Monopoussoir
Hands:Hours, Minutes, Small Seconds

Description

Manually wound monopusher chronograph with column wheel and horizontal coupling.
Balance spring with Phillips curve.

All watches using this caliber: