Rolex Double Calendar Day-Date Series 40mm - Diameter 40mm. The watch is equipped with a fully automatic mechanical movement. The bezel features a Rolex Ring Command with a triangular texture, and the crystal is made of scratch-resistant sapphire glass. The material is imported 316L stainless steel, and the bracelet is available in stainless steel (Oyster steel) with options for three-link or five-link designs. The clasp is the original one. This watch boasts ultra-high quality and looks even more stunning in person, making it a market exclusive! It is a classic casual watch for men, a must-have for successful gentlemen, providing you with lasting value! It's worth having!