The Hublot Big Bang Steel Diamonds 38 mm (ref. 361.SX.1270.RX.1104) is a watch with a 45 mm barrel case in sapphire. It has a skeletonised dial under sapphire crystal.
It is powered by a self-winding mechanical movement. Features: Skeletonised dial, sapphire case, transparent caseback, luminescent markers. Water-resistant to 30 m. The watch is fitted with a Structured transparent rubber strap with a folding clasp in titanium.
