OMEGA Seamaster Aqua Terra 150M

Omega's Seamaster Aqua Terra 150M, reference 220.13.41.21.03.003, has a steel case measuring 41 mm across. The case 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 blue dial. Inside is the self-winding calibre 8900, a Master Chronometer movement with Co-Axial escapement, resistant to magnetic fields up to 15,000 gauss and rated for 60 hours of power reserve. The watch also displays the date and shows its finishing through a transparent caseback. It is fitted to a blue alligator leather strap secured with a steel foldover clasp. Water resistance holds at 150 metres, backed by a screw-down crown.