Hublot Big Bang Mat Blue Skeleton Dial Men 44mm 421.NL.5170.RX I.N.O.X. the black round dial is

the black round dial is encased in a 44 mm case

Ensure Excellent Visibility

allowing you to express yourself

this watch exudes effortless versatile style

Hublot Big Bang Mat Blue Skeleton Dial Men 44mm 421.NL.5170.RX I.N.O.X. the black round dial isBy developing its own automatic chronograph movement, Hublot wanted it to be like all of its creations the first, different and unique. As the soul of the watch, this movement with an open heart reveals its completely re imagined design, with double coupling system and column wheel from the dial side as well as a 72 hour power reserve. Its construction of 354 components has been simplified as much as possible to improve reliability and robustness.