OMEGA Constellation

Omega's Constellation reference 131.33.41.21.03.001 has a 41 mm steel case with a blue dial. The case is 13.45 mm thick and measures 44 mm lug to lug. Omega rates the case to 50 metres. A domed sapphire crystal with anti-reflective treatment on both sides covers the dial. The dial has a date window at 6 o'clock. Calibre 8900 is a self-winding movement with a Co-Axial escapement, certified Master Chronometer and approved by METAS. The power reserve is 60 hours, and the watch has a display back. A blue leather strap with rubber lining is fitted to the watch.