OMEGA Constellation

Omega's Constellation reference 131.23.41.21.06.002 has a 41 mm case in steel and gold. 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 Constellation runs the self-winding Omega calibre 8900, which has a Co-Axial escapement and a 60 hour power reserve. The watch is a certified Master Chronometer with a date window at 6 o'clock. It also has a display back. Omega rates the case to 50 metres. A brown leather strap with rubber lining is fitted to the watch.