Pre-owned Hublot Big Bang Unico with Crystal Skeleton Dial and Automatic movement, based on HUB1240 calibre containing 38 jewels and composed of approximately 330 parts. Biting frequency: 28800 vph (approximately 5Hz). Power reserve: ~72 hours. Limited edition of 500 pieces. Water resistant to 100 meters / 330 feet. Features a screw-down crown, skeleton transparent exhibition case back, and see-through sapphire crystal construction including the bezel which is fixed and transparent with sapphire material. Analog dial type features black hands, Arabic numeral hour markers, minute markers around outer rim, and date display positioned between 4 and 5 o'clock. Chronograph functions include two sub-dials: one for 60 minutes and another for 60 seconds.