Calibre Vulcain Cricket Manufacture V-21

Technical characteristics
12-lignes mechanical unidirectional self-winding alarm calibre with date, ceramic ball bearings, rhodium coating, côtes de Genève motifs, blued screws, 36 jewels, 271 components, double barrel, equipped with the Exactomatic system, lift angle 48°, diameter 28.00 mm, thickness 8.40 mm

Frequency
18,000 vibrations per hour

Power reserve
42 hours

Alarm duration
circa 20 seconds