Royal Oak Series, Swiss Made. Rose gold-tone 18kt rose gold case, octagon shape. Fixed rose gold-tone bezel. Blue dial with rose gold-tone hands and index hour markers featuring minute markers on the outer rim. Luminescent coating on hands and markers for enhanced readability in low light conditions. Date function displayed between 4 and 5 o'clock. Analog dial type. Chronograph movement powered by Calibre 2385 automatic, boasting a 21600 vph beat rate, 37 jewels, approximately 304 parts, and around 40 hours power reserve including small second function. Three sub-dials for 60-second, 30-minute, and 12-hour chronograph measurements respectively. Automatic winding movement requires no battery. Scratch-resistant sapphire crystal. Screw-down crown with deployment clasp containing a push-button release mechanism. Case measures 38 mm in diameter, 11 mm thick. Water resistant up to 50 meters / 165 feet depth. Luxury watch style includes hour and minute functions along with chronograph capabilities. Supplied with original box, warranty card, manual, ensuring complete authenticity and accessories.
![Pre-owned Audemars Piguet Royal Oak Tourbillon Chronograph Blue Dial Mens Watch [25977ST-OO-1205ST-01]](https://cdn.lepodium.net/images/000/088/88074-2.jpg)
