Rolex Explorer I 124270, stainless steel case on a matching steel Oyster bracelet with a deployant clasp, automatic Rolex caliber 3230 movement, 70-hour power reserve, COSC, black dial with luminous Chromalight hands and hour indices, center sweep seconds hand, sapphire crystal, solid caseback, water resistant to 100 meters. Diameter: 36mm, Thickness: 11.7mm. Like New with Rolex box and papers dated 2023