Patek Philippe 18K White Gold Calatrava Dress Model ref 5107 serial 4.410xxx circa 2000s. 37 x 47mm case with wide smooth bezel, sapphire crystal, crown protector, and signed crown. Featuring a lovely opaline dial with applied indexes, minute track and hands. Powered by automatic caliber 315 SL with sweep seconds and quick set date. Exposed case back showing movement. On black Patek crocodile strap and Patek 18K WG tang buckle.