rose gold pre-owned Big Bang Unico King 42mm from Hublot featuring round face, automatic movement, rubber strap, pin-buckle fastening, index hands, screw-down crown, chronograph counters, two chronograph pushers and tachymeter scale. Original box, papers and WatchBox certificate.. This item comes with a standard two-year warranty from WatchBox.. This watch has been evaluated and authenticated by a WatchBox in-house Swiss-trained watchmaker..