18 carat rose gold case with a alligator lined with rubber strap. Fixed bezel. Black dial with rose gold-tone hands and index hour markers. Dial Type: Analog. Date display at the 6 o'clock position. One- day of the week ( inner power-reserve indication). Blancpain Calibre 37R8G automatic movement. Scratch resistant sapphire crystal. Case size: 43.50 mm. Case thickness: 16.25 mm. Round case shape. Band width: 23 mm. Water resistant at 100 meters / 330 feet. Functions: date, hour, minute, second, power reserve. Additional Info: calendar week scale on outter dial. Luxury watch style. Watch label: Swiss Made. Item Variations: 8837 3630 53B, 8837.3630.53B, 8837363053B. Blancpain L-Evolution Automatic Mens Watch 8837-3630-53B.