OMEGA Speedmaster Chronoscope Co-Axial Master Chronometer Chronograph 43mm Watch Transparent Caseback The triangular marker at twelve

The triangular marker at twelve o'clock ensures that

Water Resistance: Ensures water-resistance up to 3 bar

This collection boasts the world's first curved chronograph movement

The fine Swiss-made 26-jewel automatic movement is proudly displayed through the open caseback

OMEGA Speedmaster Chronoscope Co-Axial Master Chronometer Chronograph 43mm Watch Transparent Caseback The triangular marker at twelveThe Chronoscope collection has taken the legendary Speedmaster design and combined it with inspiration from OMEGAs chronograph wristwatches from the 1940s. This 43 mm model is crafted in stainless steel with a silvery dial. Along with a blue anodized aluminium bezel ring with its tachymeter scale, the leaf shaped hands and Arabic numerals are also blued, with a unique spiral track pattern running beneath the numbers. Most notably, the dial is printed