Previously owned Audemars Piguet Jules Audemars Power Reserve Tourbillon Gents Watch. D... series. 18kt yellow gold 39.5mm case. White dial with off center main dial. Main dial with Roman numeral hour markers. Hours, minutes, date, 60 hour power reserve indicator and open tourbillon. 1 minute Tourbillon display located at the 6 o'clock position. After market leather strap with pin buckle. Rare back wind, Case back engraved with the limited edition number. Water resistant up to 20 meters . Tourbillon

　　the watch compensates for differences in rate caused by a watch adopting different positions. The principle is to mount the balance and escapement in a rotating cage. The balance and escapement rotate around their common axis going through all positions to average out the errors.

　　subject to availability