45 mm satin-finished and polished 18K king gold case, satin-finished and polished 18K king gold bezel, sapphire crystal with anti-reflective treatment, sapphire crystal dial, HUB1155 self-winding skeleton chronograph movement, approximately 48 hours of power reserve, black lined rubber strap, 18K 5N gold and black-plated stainless steel deployant buckle. Water resistant to 50m (5 ATM).