Omega Seamaster Aqua Terra 150M Co-Axial 39.2 Railmaster / Black Alligator 2803.52.31 (aka: 28035231)

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Product Description

Unveiled at the prestigious BaselWorld event in 2003, the Aqua Terra Railmaster pays homage to its iconic predecessor from the late 1950s. This specific model, identified by the reference number 2803.52.31, boasts a sleek stainless steel case measuring 39.2mm and is elegantly paired with a luxurious black alligator strap. Originally launched in 1957 alongside the legendary Speedmaster, the OMEGA Railmaster was crafted as a successor to a timepiece developed for the British Royal Air Force in 1953. Tailored for professionals such as scientists, technicians, electricians, and railway workers who operated in close proximity to potent electrical currents, the watch featured a unique double antimagnetic case to shield its movement from the detrimental impact of these fields. The exterior construction of the Railmaster boasted Staybrite stainless steel, accentuated by a polished bevelled bezel, solid enveloping lugs, a robust crystal, and a screw-in back with an O-ring gasket to ensure water resistance. Internally, the protective elements included a cap, casing ring, and a dial measuring 1mm in thickness – significantly more substantial than the standard 0.4mm dial. Crafted from soft iron, this dial served as a formidable shield against magnetic fields exceeding 900 Oersted in any orientation, a vast improvement over the 60 Oersted protection offered by conventional antimagnetic watches.

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