This Hublot has a black ceramic bezel and 42mm round case with a transparent case back. It has a black rubber strap with black PVD stainless steel deployant buckle clasp. Skeleton Dial with silver-tone dial with silver-tone hands and index hour markers. Minute markers around the outer rim. Featuring in the dial is a complete calendar, three sub-dials displaying: month, day, date/moonphase. This Hublot is equipped with Calibre HUB1131 Automatic movement, containing 25 Jewels, composed of 134 parts, bitting at 28800 vph, and has a power reserve of approximately 42 hours. Scratch resistant sapphire crystal is used. Water resistant at 50 meters / 165 feet. Functions: full calendar, moon phase, month, date, day, hour, minute, second.