The Omega Speedmaster Professional Moonwatch Numbered Edition Sedna Rose Gold (Ref. 311.63.40.30.02.001) - First Omega in Space - is a legendary chronograph, renowned for its role in space exploration. This pre-owned watch, in very good condition, features a 39.7mm 18K Sedna gold case and a sophisticated silver dial. The manual-winding movement delivers exceptional performance and reliability with a 48-hour power reserve. A sapphire crystal protects the dial, and the watch boasts a ceramic bezel. The brown leather strap is paired with a rose gold buckle for a secure and comfortable fit. Designed with 5 ATM water resistance, it's a versatile timepiece for everyday wear and a true icon of horological history.