231.13.39.21.03.001Ref

This 38.5 mm stainless steel watch celebrates OMEGA's nautical roots with a sun-brushed, lacquered blue dial featuring the signature Teak Concept pattern and a date display. It includes a sapphire crystal, a blue leather strap, and the Master Co-Axial calibre 8500, which offers resistance to magnetic fields exceeding 15,000 gauss and is viewable through the caseback (ref: 231.13.39.21.03.001).