Omega Speedmaster Anniversary Series Manual Winding Watch 310.32.40.50.06.002On October 3rd, 1962, the Speedmaster CK 2998 became the first OMEGA worn in space, when the astronaut Walter Schirra wore his personal model on the Sigma 7 mission of the Mercury programme. This updated version is a tribute to that pioneering timepiece and captures the same 2nd generation Speedmaster style in modern form. The 39. 70 mm case is crafted in polished and brushed stainless steel and features a brown leather strap with a stainless steel