Calibre Vulcain Cricket Manufacture V-20

Technical characteristics
12-lignes mechanical unidirectional self-winding alarm calibre, ceramic ball bearings, rhodium coating, côte de Genève motifs, blued screws, 36 jewels, 234 components, double barrel, equipped with the Exactomatic system, lift angle 48°, diameter 28.00 mm, thickness 7.65 mm

Frequency
18,000 vibrations per hour

Power reserve
42 hours

Alarm duration
circa 20 seconds