Automatic movement Audemars Piguet Calibre 2385 with 37 Jewels, composed of 304 parts; self-winding rotor beats at 21600 vph (approx. 31,080 bph). Silver-tone titanium case equipped with octagon shape and size 41 mm thickness measuring 11 mm. Features a scratch resistant sapphire crystal face displaying a grey dial marked with minute markers around the outer rim; silver-tone luminous hands and index hour markers illuminate digitally for low-light conditions, date display positioned between 4 and 5 o'clock. Includes three sub-dials: one indicating elapsed minutes (30-minute scale), another measuring seconds (60-second scale) and a third showing hours (12-hour scale). The timepiece incorporates column wheel technology and is equipped with a screw down crown along with solid case back; water resistant to 50 meters or 165 feet depth. Striking luxury design, Swiss Made.