Montblanc caliber MB M16.21

Brand:Montblanc
Reference:MB M16.21
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.

Balance spring with Phillips curve.