Hublot Big Bang Shiny Steel Watch. 41 mm polished stainless steel case, polished stainless steel bezel set with 114 diamonds (~1.18 cts) and 6 H-shaped titanium screws, sapphire crystal with anti-reflective treatment, lacquered black dial with indexes set with 8 diamonds (~ 0.14cts) and rhodium-plated appliques and hands, HUB430