Silver-tone stainless steel case with black leather strap. Fixed silver-tone bezel. Black dial featuring luminous hands and index hour markers, including minute outer track. Analog dial type with skeleton transparent exhibition back. Octagon shape, dimensions 58 mm x 44 mm. Includes column wheel mechanism, tourbillon complication showing the Calibre 2889 movement through a see-through case back, functional chronograph with sub-dials for seconds and minutes. Automatic winding movement (Hand Wind) with 28 jewels, 72-hour power reserve at approximately 21600 vph. Scratch resistant sapphire crystal glass. Pull/push crown. Water resistant to 20 meters / 65 feet. Royal Oak Tourbillon Chronograph Series.
![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)
