Hublot Big Bang Unico Bi-Retrograde Chrono King Gold Ceramic Watch-413.OM.1128.RX Nude black dial with Roman numerals

black dial with Roman numerals and index hour markers

Secured with eight screws

chocolate and black dial

25 mm stainless steel and 18K yellow gold case

At its heart beats the Rolex Calibre 3255

Hublot Big Bang Unico Bi-Retrograde Chrono King Gold Ceramic Watch-413.OM.1128.RX Nude black dial with Roman numerals45 mm polished and satin finished 18K King Gold case, polished and satin finished black ceramic bezel, black composite resin lower bezel with 6 H shaped black PVD titanium screws, sapphire crystal with anti reflective treatment, mat and satin finished black dial with red retrograde chronograph minute hand, white retrograde chronograph second hand, satin finished and microblasted gold plated minute hour small second hands, white luminescent, HUB1261