Omega Seamaster Quartz

European Watch Clock and Jewellery Fair 1977 BF 348
These watches offer all the ruggedness and reliability of precision instruments designed for durable performance. Quartz frequency 32,768 Hz, case water-resistant to 3 atmospheres and scratchresistant sapphire crystal. Cases are either all-steel or steel with 14K gold bezel. Steel bracelet or leather strap. Registered models. (OMEGA Seamaster Quartz)