Forged Carbon Case. Black Leather Strap with Tang Clasp. Fixed Black Bezel (8-Screw). Black Analog Dial featuring Skeleton Hands and Index Hour Markers. Tachymeter Scale on Outer Rim. Date Display at 3 O'clock Position. Chronograph Function with Three Sub-Dials: 12-Hours, 30-Minutes, 60-Seconds. Skeleton Transparent Case Back. Sapphire Crystal (Scratch Resistant). Screw Down Crown. Automatic Movement Calibre 3126/3840 based on 3120. Includes 59 Jewels and Composed of 365 Parts. Wound at 21600 vph, approx. Power Reserve: 50 hours. Octagon Shape Case measuring 56mm x 44mm with a Thickness of 15.7mm. Royal Oak Offshore Grand Prix Series. Water Resistant to 100 meters / 330 feet.