Haute Complication: Hublot Big Bang Tourbillon Power Reserve 5 Days Sapphire

Pushing the envelope is one of Hublot's mantras and their sapphire watches are perhaps the best illustration as to what that can lead to. In a relatively short period of time, Hublot has not only mastered the art of creating sapphire cased watches, but they have also taken them to the next level.

By Martin Green