Patek Philippe Annual Calendar 5036/1J-001

The Ref. 5035 series was launched in 1996 as the world's first wristwatch with an automatic annual calendar; Ref. 5036 added a moon-phase function and was introduced in 1998. The classic design was integrated with Roman numerals, applied indexes, leaf hands and railway track markers. Although multifunctional, its small case size of 37 mm makes it easy to handle for daily use. Year Circa 2009 Model Name Annual Calendar Reference No 5036/1J-001 Case No 3288***/4190*** Calibre Automatic Cal.315 S IRM QA LU Material 18K yellow gold Bracelet/Strap Patek Philippe 18K white gold clasp Clasp/Buckle Patek Philippe 18K white gold clasp Box Yes Papers Yes Size Max length170mm Case diameter36mm Accessories Accompanied by Patek Philippe Certificate of origin March 9, 2009 and box.