Black ceramic case, black ceramic bracelet, fixed black ceramic bezel, skeleton dial with silver-tone appliques and luminous hour markers, analog display, minute markers on outer rim, luminescent for night-time readability, chronograph function driven by Calibre 2936 movement (based on 2889), hand wind mechanism, automatic winding at 21600 vph with approx.72-hour power reserve, three sub-dials: second, minute and tourbillon indicators, date display visible through crystal or case back, scratch-resistant sapphire crystal, transparent case back showing the openworked movement, octagon shape measuring 44mm diameter and 13.2mm thickness, water resistance up to 65 feet (20 meters), small second hand function present.
![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)
