This is an authentic PATEK PHILIPPE 18K Yellow Gold Alligator 39mm Calatrava Automatic Watch in Brown. The watch is crafted of 18 karat yellow gold and features a champagne dial, gold hands and hour markers, date display, brown alligator straps, sapphire crystal, and an automatic movement. Follow this item for alerts. Patek Philippe is a registered trademark of Patek Philippe. FASHIONPHILE is not affiliated with Patek Philippe.