OMEGA Seamaster Aqua Terra 150M

The Omega Seamaster Aqua Terra 150M, reference 220.55.38.20.99.001, has a 38 mm case in Sedna gold. The case measures 12.68 mm thick with a lug-to-lug span of 45 mm. A domed sapphire crystal with antireflective treatment on both sides covers the purple dial, which carries a small seconds display at six o'clock and a date window set with diamonds. Inside is the self-winding calibre 8803, a Master Chronometer movement certified by METAS with resistance to magnetic fields up to 15,000 gauss and a power reserve of 55 hours. The rotor and balance bridge are finished in Sedna gold with Geneva waves in arabesque. A display back shows the movement. The Sedna gold bracelet closes with a butterfly clasp, and the case holds its 150 metre rating.