HUBLOT / SAMUEL ROSS CELEBRATE THEIR NEW COLLABORATION IN LONDON The Hublot Big Bang Unico SR_A, created with designer Samuel Ross, pairs an all-black ceramic case with the Unico flyback chronograph movement in a limited edition of 200 pieces. #Hublot #BigBangUnico #SamuelRoss #SR_A #HublotWatches #LuxuryWatch #SwissWatch