The larger sporti-er Rolex Explorer II. Silver-tone stainless steel case with a silver-tone stainless steel rolex oyster bracelet. Fixed - 24 hour engraved silver-tone stainless steel bezel. Black dial with luminous silver-tone Mercedes-logo, sword, and Breguet-style shape hands and dot hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display at the 3 o'clock position. Rolex calibre 3187 automatic movement with a 50-hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Solid case back. Round case shape. Case size: 42 mm. Band width: 20 mm. Oysterlock clasp. Water resistant at 100 meters / 330 feet. Functions: GMT, second time zone, date, hour, minute, second, chronometer. Luxury watch style. Watch label: Swiss Made. Item Variations: m216570-0002, 216570-0002. Rolex Explorer II Black Dial Stainless Steel Oyster Bracelet Automatic Mens Watch 216570BKSO.COSC Swiss Made Certification.