18kt rose gold case with a brown alligator leather lined with alzavel strap. Fixed 18kt rose gold bezel. White enamel dial with rose gold-tone hands and Roman numeral hour markers. Dial Type: Analog. Date display at the 3 o'clock position. Six subdials - small second, date, day, month/leap year, retrograde moonphase and power reserve indicator. Blancpain Calibre 3863 automatic movement with a 72-hour power reserve. Scratch resistant sapphire crystal. Skeleton transparent exhibition see through case back. Round case shape, case size: 42 mm, case thickness: 11.5 mm. Band width: 23 mm. Water resistant at 30 meters / 100 feet. Functions: perpetual calendar, moon phase, equation of time, retrograde, leap year, month, date, day, hour, minute, small second, power reserve indicator. Additional Info: limited edition of 188 pieces. moonphase between the 10 and 11 o' clock position. Villeret Series. Luxury watch style. Watch label: Swiss Made. Blancpain Villeret Perpetual Automatic Men's Watch 6638-3631-55B.