OMEGA Constellation

The Omega Constellation reference 131.12.41.21.06.001 has a 41 mm steel case. The case is 13.45 mm thick and measures 44 mm lug to lug. A domed sapphire crystal with anti-reflective treatment on both sides covers the grey dial. The self-winding Calibre 8900 has a Co-Axial escapement, a silicon balance spring and a power reserve of 60 hours. The Calibre 8900 is certified as a Master Chronometer by METAS and resists magnetic fields reaching 15,000 gauss. The Constellation has a date display and a display back. Omega rates the case to 50 metres, or 5 bar. A rubber strap is fitted to the watch.