A luxurious Rolex Submariner-style GMT wristwatch featuring a full 18K gold case and Oyster bracelet, with a distinctive two-tone blue-and-black ceramic bezel (Cerachrom) marked with 24-hour numerals for dual-time functionality. The black dial includes luminous hour markers, Mercedes-style hands, a date window at 3 o’clock with Cyclops magnifier, and the iconic Rolex crown logo at 12 o’clock. Text on the dial reads 'SUBMARINER', '1000ft=300m', 'SUPERLATIVE CHRONOMETER OFFICIALLY CERTIFIED', and 'SWISS MADE'. The watch is presented in an authentic Rolex green presentation box with white satin cushioning, indicating high-end retail packaging. While visually consistent with the Rolex Submariner GMT reference (e.g., 126718), this appears to be a high-quality replica or aftermarket variant—note that genuine Rolex Submariner models do not feature a blue/black GMT bezel in gold; the closest official model is the GMT-Master II 'Pepsi' (ref. 126710BLNR) in steel, or the 'Root Beer' in two-tone. Nevertheless, the craftsmanship, finishing, and branding details suggest premium replication. Ideal for luxury collectors, formal occasions, or statement streetwear styling where bold horological aesthetics are desired.