This is an authentic Rolex Day-Date 18238 watch with 18K yellow gold president bracelet, factory Rolex diamond dial Ref., Rolex 18K yellow gold fluted bezel, and factory Rolex box. Descriptions: Brand: Rolex Model: Day-Date Reference: 18238 Gender: Men's Case Diameter: 36mm Features: Dial: Factory Rolex Diamond Dial Ref. Bezel: Rolex 18K Yellow Gold Fluted Bezel Crystal: Sapphire Crystal Case: Rolex 18K Yellow Gold Case Movement: Rolex Certified Chronometer Self-Winding Automatic Double Quickset 3155 Movement. Bracelet: Rolex 18K Yellow Gold President Bracelet Wrist Size: Hidden Rolex Clasp Fits Wrist up to 7.25 in. Box: Factory Rolex Box and Hang Tag Paper: None