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
Technical details
Movement
QUARTZ
Display
Analog
Jewels
5
Power reserve
-
Frequency
-
Hands
Hands: Hours, Minutes, Seconds
Diameter
19.7 mm
Height
-
Parts
-
Montblanc MB 21.13 - Movement Specifications & Details | WatchAtlas