Omega Seamaster Aqua Terra 150M ref. 231.20.43.52.06.001 (2015) features a 43mm stainless steel case with an 18K red gold bezel, grey Teak Concept dial with black lacquered sub-dials, a small seconds and GMT display at 9 o’clock, and 60-minute and 12-hour chronograph counters at 3 o’clock under scratch-resistant sapphire crystal. Presented on a stainless steel and 18K red gold bracelet, it is powered by the Co-Axial Calibre 9605, visible through the sapphire caseback, combining chronograph functionality with GMT capability and elegant Aqua Terra styling.