18 carat red gold case with a alligator brown leather strap. Stamped flinque opaline dial with gold-tone hands and Roman numeral hour markers. Dial Type: Analog. Date display at the 6 o’clock position. Blancpain Calibre 1240H automatic movement with about 45 hours of power reserve. Scratch resistant sapphire crystal. Pull / push crown. Skeleton transparent exhibition see through case back. Case size: 40.30 mm. Case thickness: 12.10 mm. Round case shape. Fold over clasp. Water resistant at 30 meters / 100 feet. Functions: alarm, date, hour, minute, second, GMT, second time zone, power reserve indicator. Luxury watch style. Watch label: Swiss Made. Item Variations: 6640 3642 55B, 6640.3642.55B, 6640364255B. Blancpain Villeret Reveil GMT Alarm Stamped Flinque Opaline Dial Mens Watch 6640-3642-55B.