Calibre Vulcain V-61

Technical characteristics
Soprod A10-2 11 1⁄2 -lignes mechanical bidirectional self-winding calibre with date, rhodium coating, côtes de Genève motifs, skeleton rotor, blued screws, 25 jewels, 93 components, lift angle 47°

Dimensions
diameter 25.60 mm, thickness 3.60 mm

Frequency
28,800 vibrations per hour

Power reserve
42 hours