Hublot Spirit Of Big Bang Yellow Sapphire Watch - 45 mm - Skeleton Dial Limited Edition of 27-601.JY.0190.RT45 mm polished yellow sapphire crystal case, polished yellow sapphire crystal bezel with 6 H shaped black plated titanium screws, sapphire crystal with anti reflective treatment, polished and smoked transparent composite resin skeleton appliques and dial, HUB4700 self winding skeleton chronograph movement, approximately 50 hours of power reserve, transparent yellow structured lined strap, black plated titanium deployant buckle. Water resistant to 50m

Water resistant to 50m (5 ATM)

18K yellow gold fluted bezel

screw-down Everose gold crown

white gold III VI IX Roman numerals

domed bezel set with 44 diamonds

ivory dial

18K Everose gold bidirectional rotatable 60-minute graduated bezel with sandblasted background and polished raised numerals

blue leather strap

18K yellow gold domed bezel

sapphire crystal dial

one black satin strap and one pearl gray satin strap

self-winding Rolex calibre 3187 movement