Technical Data 12 Ligne = 12 / 26 mm Height: 5.32mm Height with cannon pinion: 7.55mm Diameter: 27.40mm Outside diameter: 29.36mm ( Casing ) Power Reserve: 41 Hours Hand Hole Sizes (HMS) : 150/89/21 Date : @ 3 oclock. Self-winding mechanism with ball bearing 21,600 vibrations per hour It comes with winding stems.
