Omega. An unusual black-ceramic and titanium, self-winding,
two-time zone wristwatch with helium escape valve, SeaMaster Professional Planet Ocean GMT, Deep Black - Blue, Ref.21592462201002, sold in 2018
Cal.8906, twin-barrel 36 jewel automatic movement with Co-Axial escapement, matt black ceramic dial with applied white gold luminous baton markers, blue 12,6,9 numerals, date aperture, white gold luminous hands, centre seconds, blue luminous tipped 24hr second time-zone hand, outer black/blue rotating rehaut calibrated to 24hrs, matt black ceramic case with screw-down ceramic exhibition reverse, screw-down crown, uni-directional rotating blackened titanium bezel with blue/black insert calibrated to 60 minutes, screw-down helium escape valve, domed sapphire crystal. On Omega rubberised strap with blackened titanium Omega locking folding clasp. Accompanied by an Omega presentation case, instructions, wallet, numbered sales tag, Master Chronometer card, Pictograms card and numbered Omega Warranty dated 2018.
Diameter 45.5mm. 
