OMEGA Speedmaster Moonwatch Professional

This Omega Speedmaster Moonwatch Professional, reference 310.63.42.50.02.001, comes in white gold and measures 42 mm across. The case stands 13.18 mm thick with a lug-to-lug span of 47.5 mm, giving it a compact, wearable footprint. Inside is the manual-winding calibre 3861, a Co-Axial escapement movement certified as a Master Chronometer by METAS and resistant to magnetic fields up to 15,000 gauss, with a power reserve of 50 hours. A domed sapphire crystal with antireflective treatment inside covers the silver dial. As a chronograph, it pairs a tachymeter scale with small seconds and shows its finishing through a transparent caseback. The black alligator leather strap closes with a foldover clasp in Canopus Gold. Water resistance is rated to 50 metres.