OMEGA Constellation

Omega's Constellation reference 131.33.41.21.01.001 has a steel case measuring 41 mm in diameter. The case is 13.4 mm thick and 44 mm from lug to lug. The movement is the self-winding Omega Calibre 8900, which has a power reserve of 60 hours. A domed sapphire crystal with anti-reflective treatment on both sides covers the black dial. The Constellation is a Master Chronometer and shows the date. The case has a display back. Omega rates the case to 50 metres. A black leather strap with rubber lining is fitted to the watch.