Full set of blank Hublot,Big Bang series, model: 601.mn.0173.LR The classic bar-shaped skeletonized chronograph is a big explosion. The entire watch is made of titanium metal, which is lightweight and wear-resistant. The 45mm fully skeletonized dial showcases the mechanical beauty at a full view. It features three small chronograph functions, date display, a black fixed bezel decorated with H-shaped screws, and is equipped with a self-produced HUB 4700 automatic winding movement with a transparent back. The folding clasp!