OMEGA Seamaster Aqua Terra 150M

The Omega Seamaster Aqua Terra 150M, reference 220.12.41.21.01.001, has a steel case measuring 41 mm in diameter. It stands 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 black dial. Inside is the self-winding calibre 8900, a Master Chronometer movement with a silicon balance spring and 60 hours of power reserve. The watch is also a chronometer, certified by METAS, and adds a date function along with a time zone display. A screw-down crown and a black rubber strap with a folding steel clasp complete the package. The case carries a 150 metre water resistance rating.