Hublot Big Bang Unico Perpetual Calendar (406OM0180RX) self-winding automatic watch, features a 45mm 18k rose gold case with a black ceramic bezel surrounding a black skeleton dial on a black rubber strap with a titanium deployant buckle. Functions include hours, minutes, small seconds, day, date, month, moon phase, perpetual calendar and chronograph. This watch comes with the original box .