OMEGA Seamaster Aqua Terra 150M

Omega's Seamaster Aqua Terra 150M, reference 220.20.41.21.02.001, has a 41 mm case in steel and gold. The case measures 13.2 mm thick with a lug-to-lug span of 47.9 mm. A silver dial sits beneath a domed sapphire crystal treated with antireflective coating on both sides. Inside is the self-winding calibre 8900, a Master Chronometer movement with co-axial escapement and resistance to magnetic fields up to 15,000 gauss, offering a 60 hour power reserve. The watch adds a date function and a screw-down crown, and the transparent caseback shows the finished rotor and bridges. A steel and gold bracelet closes with a butterfly clasp. Water resistance reaches 150 metres, or 15 bar.