Features: Monopusher chronograph with automatic winding, Column wheel control and vertical disc clutch, 13'''3/4 (31 mm), thickness 8.46 mm, 292 parts, large balance wheel with screws (inertia: 12 mg sqcm, diameter: 9.70 mm), flat hairspring, rhodium-plated and circular-grained plates, rhodium-plated bridges with Geneva striping, wheel train with special toothing for more efficient power transmission
Indications: Off-centre hour - minute hands, date display
Complications: 30 min. and 60 sec. counters with rotating discs, second time zone with day and night display
Power reserve: Approx. 72 hrs
Frequency/Jewels: 28,800/h, 40 jewels
Material: Stainless steel
Bezel: Fixed
Sapphire crystal: Domed sapphire crystal with double anti-reflective coating
Case back: Sapphire crystal case back
Crown: Non-screw crown, 1 O-ring
Dial: Anthracite dial with black numerals on applique hour circle
Hands: Feuille and baton hands, luminescent hour and minute hands