18kt white gold case, frosted gold bezel inserts, black tapisserie dial with silver-tone hands and indices at the 6 o'clock position for date display, minute markers around outer rim, analog dial type, sapphire crystal glass resistant to scratches, automatic Audemars Piguet Calibre 3120 movement containing 40 jewels and composed of approximately 280 parts, beating rate of 21600 vph (approximately 50,000 bpm), power reserve up to about 60 hours, screw-down crown, octagonal case shape measuring 37 mm diameter with a thickness of 9.8 mm, folding clasp, water resistant to 50 meters/165 feet depth, functions include hour, minute and date display.
![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)
