Omega Seamaster 300 M Professional Chronograph – Blue Dial – Automatic – 300 m – Omega Box An impressive Omega Seamaster 300 M Professional Chronograph, a powerful luxury sports watch from one of Switzerland’s most iconic watchmaking houses. This model combines the unmistakable Seamaster diving identity with the presence and functionality of a professional chronograph. The watch features a robust 43 mm stainless steel case, a deep blue dial, a matching blue diver’s bezel, sapphire glass and the signature helium escape valve. Its original stainless steel bracelet gives the watch a strong and elegant wrist presence, while the diver extension adds extra practical value. Technical Details Brand: Omega Model: Seamaster 300 M Professional Chronograph Case Material: Stainless steel Case Size: 43 mm Glass: Sapphire glass Dial: Blue dial Bezel: Blue diver’s bezel Movement: Swiss automatic Omega movement Functions: Hours, minutes, seconds, date and chronograph Helium Valve: Yes Water Resistance: 300 m / 1000 ft Bracelet: Original stainless steel Omega bracelet Wrist Size: Fits a wrist up to approximately 20 cm, with diver extension up to approximately 24 cm Box: Omega box included Condition Grade: B+ – signs of use due to normal wear Condition Report The watch is in Grade B+ condition, with visible but normal signs of use consistent with careful wear. The stainless steel case and bracelet show light surface marks, while the overall presentation remains strong, clean and attractive. The blue dial is very elegant and sporty, with luminous markers, chronograph subdials and date window. The sapphire glass offers excellent protection. The original Omega bracelet is fitted with the Seamaster Professional clasp and diver extension. Water resistance is stated as 300 m, but no recent pressure test is included, therefore water resistance is not guaranteed. Please review all photos carefully, as they are an important part of the description. Story & Heritage The Omega Seamaster collection is one of the most famous names in Swiss watchmaking, born from Omega’s long tradition of reliable, water-resistant timepieces. Over the decades, the Seamaster evolved into a professional diving watch and became one of the most recognizable luxury sports watches in the world. The Seamaster 300 M Professional Chronograph adds an extra layer of technical character to the classic diver design. With its chronograph function, strong case construction, helium escape valve and distinctive wave-pattern blue dial, it represents the adventurous and performance-focused side of Omega. This example offers everything collectors appreciate in a professional Seamaster: a bold size, automatic Omega movement, original bracelet, diver extension, chronograph functionality and the timeless blue Seamaster identity. Internal Reference Number - Itm. 872