
The Hublot Big Bang One Click Sapphire Diamonds Black Dial 39mm (ref. 465.JX.4902.RX.1204) is an automatic mechanical watch, with a 39mm stainless steel case, powered by the HUB1710 movement and a 50-hour power reserve. Water resistance is rated to 100m, under a sapphire crystal. Manufacturer MSRP is $73,000.