Patek Philippe Annual Calendar 5146J-010

A revamped model of Ref. 5035 that was created through a joint industry-academia project in 1996. A power reserve indication and an annual calendar were added for improved usability. The watch maintains an elegant design while having more sophisticated functions. It is equipped with the Cal. 324 S IRM QA LU automatic-winding movement that is made in-house. Can see the action of the movement through the see-through case back. Year Circa 2017 Model Name Annual Calendar Reference No 5146J-010 Case No 7029***/6171*** Calibre Automatic Cal.324 S IRM QA LU Material 18K yellow gold Bracelet/Strap Patek Philippe Alligator Leather strap Clasp/Buckle Patek Philippe 18K yellow gold clasp Box Yes Papers Yes Size Max length 200mm, Case diameter 39mm Accessories Accompanied by Patek Philippe Certificate of Origin dated November 7, 2017 and box.