Movement: Officially certified chronometer self-winding movement with quickset date. Caliber: 3185 Case: Stainless steel case 40.0 mm in diameter. Rolex logo on the crown. Bezel: Original Rolex 18k yellow gold bidirectional rotating bezel with a special 24-hour brown bezel insert Crystal: Scratch-resistant sapphire crystal with cyclops magnifier. Dial:Original Rolex silver serti dial with diamond and ruby hour markers. Mercedes hands. Date window at 3 o'clock aperture. Bracelet: Stainless steel & 18k yellow gold oyster band with a flip-lock clasp. Solid end-links.