OMEGA Speedmaster 38

This Omega Speedmaster 38, reference 324.23.38.50.02.001, has a 38 mm case in steel and gold. The case measures 14.7 mm thick with a lug-to-lug of 44.9 mm. A sapphire crystal with anti-reflective treatment on both sides covers the silver dial. Inside is the self-winding calibre 3330, a column-wheel chronograph movement with Co-Axial escapement and Si14 silicon balance spring, certified as a chronometer and rated at 52 hours of power reserve. As a chronograph, it combines a tachymeter scale with small seconds and a date display. The green alligator leather strap closes with a steel foldover clasp. Water resistance is rated to 100 metres.