The Hublot BIG BANG 645.CY.4723.NR is powered by the manual-winding caliber HUB6020 and was introduced in 2025. This timepiece features a ceramic case measuring 42mm in diameter, housing a skeleton dial protected by sapphire crystal.
The watch is equipped with an exhibition case back and provides a water resistance of 30m. The movement includes a tourbillon function. This model was produced as a limited edition of 20 pieces.
When purchased from Aristo Watch, this watch comes with access to Aristo Care. Whether this watch comes with months of manufacturer's warranty remaining or none at all, Aristo Watch provides an additional year of movement inspection or servicing.