Speedmaster Chronoscope 43mm Silver/Black Dial Chronograph Bracelet Watch

OMEGA Speedmaster Chronoscope 43mm Silver/Black Dial Chronograph Bracelet Watch 329.30.43.51.02.002. 

The Omega Speedmaster Chronoscope Co-Axial Master Chronometer Chronograph watch is a design based on a much earlier 1940s chronograph model and Features a trio of measuring scales towards the centre of the dial that offer telemeter, pulsometer and tachymeter functions. In addition to this, the watch Features black-filled chronograph counters offering 12-hour and small second functions respectively, set against a silver dial and positioned inside a black anodised aluminium tachymeter bezel. The front of this Speedmaster Chronoscope Co-Axial Master Chronometer Chronograph watch is sealed with a sapphire crystal glass front. The same material is used on the back of the case to expose the performance of the Co-Axial Master Chronometer Calibre 9908 through its surface. This engine provides a 60-hour power reserve and comes equipped with a column wheel and Co-Axial escapement fitted with a silicon balance spring. The watch is completed on a two tone finish of polished and brushed.