Speedmaster Jubilee ref 145.0052 limited edition of 1992 to commemorate the 50th anniversary of the Speedmaster's birth, Omega , Brand: Omega Model: Speedmaster Year: circa 1992 Reference N°: 145.0052 Dial: Black Case N°: 48.304.xxx Movement: Hand winding Cal: 863 Material: 18k Yellow gold Strap: Rubber with deployant Diameter: 42 mm Accessories: Box and guarantee