Silver-tone stainless steel case with a two-tone (silver-tone and yellow gold-tone) stainless steel and 18kt yellow gold bracelet. Uni-directional rotating 18kt yellow gold with a blue cerachrom (count-up elapsed time) top ring bezel. Blue dial with yellow gold-tone hands and index 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 3135 Automatic movement, containing 31 Jewels, bitting at 28800 vph, and has a power reserve of approximately 48 hours. Scratch resistant sapphire crystal. Screw down crown. Solid case back. Round case shape, case size: 40 mm. Fold over clasp with a safety release. Water resistant at 300 meters / 1000 feet. Functions: date, hour, minute, second, chronometer. Submariner Series. Dive watch style. Watch label: Swiss Made. Item Variations: 116613BLSO, 116613lb-0005. Pre-owned Rolex Submariner Automatic Chronometer Blue Dial Mens Watch 116613LB.