OMEGA Constellation

The Omega Constellation 131.20.29.20.55.001 measures 29 mm across in a case of steel and Sedna gold. It stands 11.67 mm thick with a lug-to-lug span of 31.2 mm. A domed sapphire crystal with anti-reflective treatment on both sides covers the white dial. Inside is the self-winding calibre 8700, a Master Chronometer movement with a Co-Axial escapement, certified by METAS and resistant to magnetic fields up to 15,000 gauss; power reserve runs to 50 hours. The watch also carries a date function and is set with diamonds, and the caseback is transparent. A steel and gold bracelet closes with a butterfly clasp fitted with a comfort setting. Water resistance reaches 50 metres.