Calibre Vulcain V-59

Technical characteristics
Valjoux 7753 131⁄4-lignes mechanical chronograph unidirectional self-winding calibre with date, nickel coating, skeleton rotor, 27 jewels, 247 components, lift angle 49°

Dimensions
diameter 30.00 mm, thickness 7.90 mm

Frequency
28,800 vibrations per hour

Power reserve
42 hours