Calibre Vulcain Cricket Manufacture V-28

Technical characteristics
12-lignes mechanical unidirectional self-winding alarm calibre, ceramic ball bearings, charcoal grey coating, côtes de Genève motifs, blued screws, skeleton ratchet with case-back sapphire, 36 jewels, 234 components, double barrel, equipped with the Exactomatic system, lift angle 48°, diameter 28.00 mm, thickness 7.60 mm

Frequency
18,000 vibrations per hour

Power reserve
42 hours

Alarm duration
circa 20 second