This is an authentic PATEK PHILIPPE Stainless Steel Diamond 25mm Twenty-4 24 Medium Quartz Watch Eternal Black. The watch is crafted of stainless steel and features an 'Eternal Black' dial with Roman numerals at 12 and 6, diamond hour markers and bezel, sapphire crystal, and a Swiss quartz movement. Follow this item for alerts. Patek Philippe is a registered trademark of Patek Philippe. FASHIONPHILE is not affiliated with Patek Philippe.