310.30.42.50.01.001

“Presented on a polished-brushed five-arched-links-per-row bracelet, this 42 mm Moonwatch in stainless steel features sapphire crystal glass on the front as well as on the caseback. Inspired by the 4th generation Speedmaster style worn on the moon, it also includes an asymmetrical case, black step dial with applied OMEGA logo and the famous dot over 90 on the anodised aluminium bezel ring.The watch is driven by the OMEGA Co-Axial Master Chronometer Calibre 3861, which powers the small seconds sub-dial, 30-minute recorder and 12-hour recorder, along with the central chronograph function.MOVEMENT Calibre: Omega 3861 Manual-winding chronograph movement with Co-Axial escapement. Certified Master Chronometer, approved by METAS, resistant to magnetic fields reaching 15,000 gauss. Free-sprung balance with silicon balance spring. Rhodium-plated finish, bridges with straight Geneva waves. Power reserve: 50 hours CRYSTAL Domed, scratch-resistant sapphire crystal with antireflective treatment inside”