OMEGA Speedmaster First OMEGA in Space

Omega's Speedmaster First OMEGA in Space, reference 310.32.40.50.06.002, is a chronograph with a 39.7 mm steel case. The case is 13.38 mm thick and measures 48 mm from lug to lug. A sapphire crystal covers the dial. Calibre 3861 is a manual-winding movement with a Co-Axial escapement and a 50 hour power reserve. The movement is certified as a Master Chronometer and has a free-sprung balance with a silicon balance spring. Subdials include a 30-minute recorder at 3H, a 12-hour recorder at 6H and small seconds at 9H. Omega rates the case to 50 metres. A leather strap is fitted to the watch.