Previously owned Audemars Piguet Tourbillon gents watch. World's First Automatic Tourbillon. 18kt yellow gold 29mm x 33mm case. 18k yellow gold bezel. Blue mother of pearl dial with 18k yellow gold sunburst and 18k yellow gold hour markers. Automatic movement with 32 jewels. Hours, minutes and tourbillon display. 18k yellow gold bracelet. Water resistant up to 20m / 60ft. Tourbillon

　　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, Tourbillon cages or platforms usually rotate once per minute but 4 minute and six minute tourbillons are also found. The Tourbillon complication is an extremely difficult accomplishment to achieve and generally demands a high premium. 100% original and in great condition.

　　subject to availabil