PATEK PHILIPPE Ref. 5726/1a-010 stainless steel automatic annual calendar with moon phases. On stainless steel bracelet with folding clasp, rarer white dial with black. Offered in excellent unworn visual condition. Accompanied by the original Patek Philippe within outer card shipping box, booklets and model instructions within wallet, stamped and dated (2015) certficate of origin (edited to remove address) US$39,950.