Hublot Big Bang Unico Black Magic Watch - 42 mm - Black Skeleton Dial - Black Structured Rubber Strap-441.CI.1171.RX Velvet-Grey beaded crown set with a

beaded crown set with a blue synthetic cabochon-shaped spinel

white dial with silvered open-work grid and Roman numerals with blued hands

brushed black ceramic [ZrO2] dial with laser-engraving to create raised waves

unidirectional rotating blue ceramic bezel with Ceragold diving scale

Hublot Big Bang Unico Black Magic Watch - 42 mm - Black Skeleton Dial - Black Structured Rubber Strap-441.CI.1171.RX Velvet-Grey beaded crown set with a42 mm microblasted and polished black ceramic case, microblasted and polished black ceramic bezel with 6 H shaped titanium screws, sapphire crystal with anti reflective treatment, matte black skeleton dial, HUB1280 UNICO manufacture self winding chronograph flyback movement, approximately 72 hours of power reserve, black structured rubber strap, black ceramic and black plated titanium deployant buckle. Water resistant to 100m (10 ATM).