This is an authentic PATEK PHILIPPE Stainless Steel Diamond 25mm Twenty-4 24 Medium Quartz Watch Eternal in Black. This timepiece is crafted of stainless steel and features a black dial with Roman numerals at 12 and 6, diamond hour markers and a diamond bezel weighing approximately .45 total carat weight, black onyx crown, sapphire crystal, and an E-15 Swiss quartz movement. Follow this item for alerts. Patek Philippe is a registered trademark of Patek Philippe. FASHIONPHILE is not affiliated with Patek Philippe.