Montblanc caliber MB 21.13
MB 21.13 description
Quartz movement with moonphase based on Ronda cal. 788 in Swiss Made' (5 jewels) version.
Height 2.5 mm.
Normtech movement series; long battery-life (up to 10 years) and special functionality
Quartz movement with moonphase based on Ronda cal. 788 in Swiss Made' (5 jewels) version.
Height 2.5 mm.
Normtech movement series; long battery-life (up to 10 years) and special functionality