Montblanc caliber MB M16.21

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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

MB M16.21 description

Manually wound monopusher chronograph.

Balance spring with Phillips curve.