OMEGA Speedmaster Chronoscope

Omega's Speedmaster Chronoscope, reference 329.30.43.51.03.001, is a 43 mm chronograph with a blue dial. The steel case is 48.6 mm from lug to lug, and Omega rates the case to 50 metres. A sapphire crystal with anti-reflective treatment on both sides covers the dial. Calibre 9908 is a manual-winding movement with a column wheel, a Co-Axial escapement and a 60 hour power reserve. The movement is certified Master Chronometer and approved by METAS. The watch has small seconds and a tachymeter, and the case has a display back. A steel bracelet with a foldover clasp with comfort setting is fitted to the watch.