Hublot Big Bang Unico Yellow Sapphire Watch - 42 mm - Skeleton Dial Limited Edition of 100-441.JY.4909.RT42 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, HUB1280 UNICO manufacture self winding chronograph flyback movement, approximately 72 hours of power reserve, transparent yellow structured lined rubber strap, black plated titanium deployant buckle.

45 mm carbon fiber and green texalium upper layer case

day/night indication in apertures

polished black-plated bezel set with 36 diamonds totaling ~0

33mm titanium case set with 114 diamonds (0

5 mm platinum case

yellow dial

silver Jubilee dial

screw down winding crown

chronograph

guilloched silvery gray dial with powdered gold hour markers

smooth bezel

black composite resin lateral inserts and bezel lugs