OMEGA Seamaster Aqua Terra 150M (Summer Blue)

Omega's Seamaster Aqua Terra 150M (Summer Blue), reference 220.10.38.20.03.004, has a 38 mm steel case. Thickness measures 12.26 mm with a lug-to-lug span of 45.1 mm. The blue dial sits under a domed sapphire crystal with anti-reflective treatment on both sides. Inside is the self-winding calibre 8800, a Master Chronometer movement with a Co-Axial escapement and resistance to magnetic fields up to 15,000 gauss, giving 55 hours of power reserve. The date sits alongside the chronometer certification as the watch's main practical features. A screw-down crown protects the movement, and the steel bracelet closes with a butterfly clasp. Rated to 15 bar, the case holds up to 150 metres of water resistance.