Previously owned Patek Philippe Minute Repeater Perpetual Tourbillon Calendar gent's watch, Model # 5016G. 18kt white gold 36.7mm case with a crocodile leather strap and 18k white gold buckle. Silver dial with Arabic numeral hour markers. Manual wind movement. Hours, Minutes, Seconds, Perpetual Calendar, Minute Repeater, Tourbillon. Black leather strap with 18k white gold buckle. Perpetual calendar

　　watch will correctly adjust for short and long months as well as 28/29 days of February once every 4 years. Minute Repeater - A watch that strikes the hours, quarters and minutes on gongs. The repeater is activated by a slide or button on the case edge. This is a highly complex achievement and increases the cost of the watch tremendously. 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.

　　subject to availability