Black ceramic case with black ceramic bracelet and fixed black ceramic bezel featuring octagon shape. Analog display features a black dial accented by silver-tone hands, luminous markers, index hour indicators including minute markers on the outer rim, and one subdial for tourbillon functions. Powered by Audemars Piguet Calibre 2924 Hand Wind movement with 25 jewels, composed of 216 parts beating at 21600 vph (collisions per hour), offering a power reserve indicator approximating 70 hours. Equipped with scratch resistant sapphire crystal and screw down crown; transparent case back allows view of the mechanism. Water resistant up to 50 meters / 165 feet.
![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)
