Omega Seamaster Aqua Terra Co-axial Automatic Co-axial 2504.50.00 / Black Dial / 36mm / Automat

The first-generation Omega Seamaster Aqua Terra (Ref. 2504.50.00) is a modern legend among enthusiasts who appreciate mid-size proportions. Striking the perfect balance between a rugged sports watch and a refined daily dress piece, this 36mm model captures the pure, clean layout that defined the early Aqua Terra era. At its heart is a glossy, deep black dial accented by sharp, faceted arrow indices and a matching date window at 3 o'clock. This reference is famously driven by the early generation Omega Calibre 2500 automatic chronometer movement, which proudly showcases George Daniels' groundbreaking Co-Axial escapement through the sapphire exhibition caseback.