Legendary oceanographer Jacques Cousteau and his team used Seamaster 300 models during missions like the Precontinent II in 1963. Modern Heritage Collection Specs
The current Seamaster 300 Heritage line maintains the original 1957 proportions while integrating 21st-century materials: omega seamaster 300
It was released alongside the Speedmaster and Railmaster , featuring "broad arrow" hands and a rotating bezel to track dive times. Legendary oceanographer Jacques Cousteau and his team used