Grey titanium case with a grey rubber strap and fixed grey bezel featuring 8 screws. Slate grey skeleton dial displaying silver-tone hour indices, luminous hands for hours and minutes, minute markers on the outer rim, analog display type. Equipped with Audemars Piguet Calibre 2936 Hand Wind movement having 28 jewels and 299 parts; beating at 21,600 vph (3 Hz), offering approximately 72 hours power reserve. Features a tourbillon function, chronograph functions including second and minute sub-dials displaying elapsed time for seconds, minutes, and hours, along with the hour and minute indicators. Scratch resistant sapphire crystal protects the dial. Screw down crown secures strap; skeleton transparent exhibition case back allows viewing of internal components. Octagon shaped case measures 44 mm in diameter and has a thickness of 13.2 mm. Water resistant to 200 meters / 660 feet.