The Hublot Big Bang Unico was introduced in 2018. It pairs the Unico movement with a case some 3mm smaller than the original 2013 release, which measured in at 45mm. As per the brand’s ‘The Art of Fusion’ concept, many models feature cases using a combination of different materials.Reference 441.NX.1170.RX.1704 has a diamond-set titanium case.
