OMEGA Seamaster Aqua Terra Shades

Omega's Seamaster Aqua Terra Shades, reference 220.10.38.20.09.001, has a 38 mm steel case. The case measures 12.26 mm thick with a lug-to-lug of 44.92 mm, and the sandstone dial sits under a domed sapphire crystal treated with antireflective coating on both sides. Inside is the self-winding calibre 8800, a Master Chronometer movement certified by METAS and resistant to magnetic fields up to 15,000 gauss, running on a free sprung-balance with silicon hairspring for 55 hours of power reserve. The date sits on the dial, and a sapphire display back shows the movement. A screw-down crown protects the case from the outside. The steel bracelet closes with a foldover butterfly clasp. Water resistance reaches 150 metres, or 15 bar.