Omega Seamaster Professional Chronograph 300M wristwatch in stainless steel, featuring the iconic black wave dial with luminous hour markers and hands, date display at 3 o’clock, and unidirectional rotating bezel. The watch is powered by an automatic chronograph movement and includes a helium escape valve at 10 o’clock, characteristic for the Seamaster Professional line. The case and bracelet are made entirely of stainless steel, fitted with the original Omega folding clasp. The screw-down crown and pushers ensure proper functionality, and the chronograph operates correctly with precise reset. The watch shows normal signs of wear consistent with age and use, but remains in very good overall condition. The dial is original and well preserved, with clear inscriptions and intact luminous elements. Total length approx: 22 cm Case diameter: 41 mm A classic and highly recognizable Omega Seamaster Professional Chronograph, suitable for both daily wear and collection.