Swiss luxury mens watch, Audemars Piguet Royal Oak Tourbillon Chronograph model 25977STOO1205ST02 featuring a black tapisserie dial, silver-tone steel case and bracelet, fixed bezel, analog display with luminous hands/indexes, minute markers around outer rim, chronograph function with sub-dials (60 second/30 minutes), column wheel visible, tourbillon mechanism present, exhibition see-through sapphire crystal glass, manual winding Calibre 2889 movement containing 28 Jewels and approx. 72-hour power reserve at beating rate of 21,600 vph, octagonal shape with dimensions 58mm x 44mm and thickness 12.9mm, equipped with deployment clasp for secure fastening, sapphire crystal resistant to scratches, water resistant up to 20 meters (approx. 65 feet), Swiss Made