
40 mm satin-finished and polished steel case, 10.5 mm thick, sapphire back with 360° oscillating weight, screw-down crown, sapphire crystal with anti-reflective coating, mirror polished rhodium-plated brass dial with mirror polished rhodium-plated applique indices, BR-CAL.321-1 automatic movement with hours, minutes and seconds, approximately 54-hour of power reserve, black rubber strap, folding buckle. Water resistant to 100 metres.