OMEGA Speedmaster Chronoscope

The Omega Speedmaster Chronoscope 329.92.43.51.10.001 has a 43 mm bronze case, 12.8 mm thick, paired with a brown dial and a leather strap. The aluminum bezel houses a tachymeter scale, complementing the chronograph and small seconds functions on the dial. It is powered by the automatic Omega calibre 9908, a Master Chronometer certified movement visible through the sapphire display back.