OMEGA Seamaster Aqua Terra 150M

The Omega Seamaster Aqua Terra 150M, reference 220.22.41.21.03.001, has a 41 mm case in steel and Sedna gold. The case measures 13.2 mm thick with a lug-to-lug span of 47.9 mm. A domed sapphire crystal with antireflective treatment on both sides covers the blue dial. Inside is the self-winding calibre 8916, a Master Chronometer movement certified by METAS with resistance to magnetic fields up to 15,000 gauss and a 60 hour power reserve. Small seconds and date sit at six o'clock, and the sapphire caseback shows the movement. A screw-down crown accompanies the layout. The watch is fitted to a blue rubber strap with a steel foldover clasp, and the case carries a 150 metre water resistance rating.