Why HUBLOT BIG BANG UNICO CARBON FLYBACK CHRONOGRAPH is the best chronograph on the market?

Hublot Big Bang Unico Carbon FlyBack Chronograph. Is it the best chrono on the market? For me: yes. Let me tell you why and compare it a bit to an OMEGA Speedmaster Dark Side of the Moon Vintage chrono! And let me show you how to change the straps on a watch quick as hell!