The Square Bang is sized at 42mm (with a rubber over-moulded crown) and features Hublot's One-Click strap changing system. There are five variations. Three are in solid titanium, black ceramic, or King Gold, and two blend titanium or King Gold with a black ceramic bezel. Each model comes link with a black rubber strap and a link folding clasp in the same material as the case. They feature the HUB1280 Unico Manufacture link movement, with 354 components and a 4Hz beat rate.