39 × 42 mm stainless steel case, 13.8 mm thick, screw-down crown, sapphire crystal with anti-reflective coating on both sides, silver dial, CFB 1960 caliber automatic movement with chronograph: hour and minute counters, bidirectional power reserve, big date, hour, minute and small seconds, approximately 42 hours of power reserve. Water resistant to 50 m (5 atm).