Mechanical self-winding movement with date, Caliber CH 28-520 C, Chronograph, 60-minute and 12-hour monocounter at 6 o’clock, Sweep seconds (chronograph hand), white dial, hour markers with luminescent coating, stainless steel bracelet with Nautilus fold-over clasp, Screw-down crown, Sapphire-crystal case back, Water resistant to 120 m, 40.5mm stainless steel case.