OMEGA Speedmaster Chronoscope

The Speedmaster Chronoscope (329.30.43.51.02.001) has a 43 mm steel case, 12.8 mm thick, paired with a steel bracelet and an aluminum bezel. Its silver dial is protected by a sapphire crystal and includes a tachymeter scale, small seconds and chronograph subdials, all visible through a display back. The automatic Omega calibre 9908 is a Master Chronometer movement, certified as a chronometer for accuracy and resistance to magnetic fields.