Omega Speedmaster CK 2998

Omega Speedmaster 1963 in steel - in case, 1960s, Steel. Ref CK 2998-2, bezel with black insert with tachymeter scale up to 500 units, round pushers, screw back. Omega steel bracelet. Black dial, luminescent indexes, auxiliary subdials for the seconds, the adder, the minutes and the hours. Baton hands. Gilded manual movement, cal 321, n° 22825908. Monometallic balance with screws, Breguet hairspring, column wheel. Accessories: case, black insert with aftermarket pulsometer scale, brochure. , Diameter 40 mm