OMEGA Constellation

The Omega Constellation 131.20.29.20.02.002 has a 29 mm case in steel and yellow gold. The case measures 12 mm thick with a lug-to-lug span of 31.2 mm, and the silver dial sits under a domed sapphire crystal treated with anti-reflective coating on both sides. Inside is the self-winding calibre 8700, a Master Chronometer certified movement with Co-Axial escapement and a silicon balance spring, resistant to magnetic fields up to 15,000 gauss. Power reserve runs to 50 hours. A date function sits on the dial, and a sapphire display back shows the movement from behind. The bracelet is steel and yellow gold, fitted with a butterfly clasp that has a comfort setting. Water resistance reaches 50 metres.