Automatic mechanical movement, Audemars Piguet calibre 3126/3840 based on the AP 3120 family with 59 jewels and approximately 21600 vph beating rate; self-winding power reserve around 50 hours. Blue analog dial features luminous silver-tone hands, index hour markers, minute markers, and tachymeter markers around the outer rim. Date display at the 3 o'clock position. Chronograph functions include three sub-dials displaying seconds, minutes, and hours (12-hour). Includes a small second function. Octagonal stainless steel case measuring 42 mm diameter by 14.4 mm thickness; fixed bezel is also stainless steel. Sapphire crystal provides high scratch resistance for the main display surface. Screw down winding/crown protects the movement from water ingress up to 100 meters (approx. 330 feet). Blue dial with luminous applied markers and hands ensures legibility in low light conditions. Includes a solid case back. Fold over clasp closure with push button release mechanism for wrist comfort and secure fit. The Royal Oak Offshore Series celebrates luxury Swiss watchmaking heritage; this specific model marks the '25th Anniversary'. Watch label: Swiss Made.
