The term "Seamaster" primarily refers to a line of luxury watches produced by the Swiss brand Omega. Launched in 1948, these watches are known for their durability, water resistance, and elegant design, making them popular among divers and watch enthusiasts alike. The Seamaster collection includes various models, such as the Seamaster Professional Diver 300M, which features a helium escape valve and a rotating bezel. In addition to watches, "Seamaster" is also associated with the James Bond film franchise. The character James Bond is often seen wearing Omega Seamaster watches, which have become iconic symbols of sophistication and adventure. This connection has further enhanced the popularity of the Seamaster line in popular culture.