Class one XXL Automatic chronograph titanium - stainless steel. Case : 45mm diameter, in grade 2 titanium, unidirectional rotating bezel in polished 316L stainless steel and fine-brushed titanium ring with engraved minute track, 6 hollowed, fine-brushed titanium bars.

Curved sapphire crystal with anti-reflection treatment on both sides. Double-security screwed crown in stainless steel with fine-brushed titanium cabochon, polished and fine-brushed stainless steel pushbuttons.

316L stainless steel case back with sapphire crystal, engraved with a stylized diving scale, water-resistant to 100 meters. Dial rhodium with Class One guilloche and fine-brushed sunray pattern. Three azure counters: small second counter, 30-minute and 12-hour.

Applied, beveled counter rims, circular fine-brushed inside and diamond finishing outside, blue PVD treated. Applied, blue PVD treated numerals and markers, luminescent. Luminescent, rhodium plated, hour and minute stick shape hands.

Chronograph seconds stick hand, blue PVD treated, with round luminescent end. Automatic mechanical movement (ETA Valjoux 7753). Oscillating weight with Class One guilloche and engraved with “Chaumet Paris”.

46-hour power reserve. 5 links bracelet, with vertical fine-brushed titanium links and polished, flat stainless steel links. Buckle : Stainless steel folding buckle engraved with “Chaumet Paris”, with pushbuttons..