18 carat red gold case with a alligator brown leather strap. Opaline dial with gold-tone hands and Roman numeral hour markers. Dial Type: Analog. Around dial. Automatic movement. Calibre 6639 engine with about 192 hours power reserve. Scratch resistant sapphire crystal. Pull / push crown. Skeleton transparent exhibition see through case back. Case diameter: 42 mm. Case thickness: 13.07 mm. Round case shape. Deployment with push button clasp. Water resistant at 30 meters / 100 feet. Functions: month, day, date, hour, minute, moonphase. Additional Info: moonphase sub-dial. Luxury watch style. Watch label: Swiss Made. Item Variations: 6639 3642 55B, 6639.3642.55B, 6639364255B. Blancpain Villeret Complete Calendar 8 Days Opaline Dial Mens Watch 6639-3642-55B.
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