Hublot Spirit of Big Bang Tourbillon Sapphire Watch - 42 mm - Sapphire Dial - Transparent Strap Limited Edition of 50-645.JX.5120.RT42 mm polished sapphire crystal case, polished sapphire crystal bezel with 6 h shaped titanium screws, sapphire crystal with anti reflective treatment, sapphire dial, HUB6020 manufacture manual winding power reserve skeleton tourbillon movement, approximately 115 hours of power reserve, transparent structured lined strap, titanium deployant buckle. Water resistant to 30m (3 ATM).

40 mm white gold case

embossed black dial

transparent structured lined rubber strap

fluted bezel with bidirectional rotatable Rolex Ring Command

41 mm rose gold case

polished and satin-finished titanium bezel with 6 H-shaped titanium screws

blue leather strap with gold deployable clasp

sundust sunray dial

40mm 904L stainless steel superalloy case

ivory lacquered dial with gold applied Breguet numerals

HUB6311 manual-winding movement with skeleton tourbillon chronograph

and pink gold)