Omega Speedmaster a stainless steel and gold chronograph watch with date circa 1990. Dial: blue, applied baton hour markers, date aperture at 3. Calibre: cal. 1155 automatic, 17 jewels. Case: polished stainless steel tonneau-shaped, fixed gold bezel with tachymetre scale, snap on case back embossed with Omega hippocampus emblem. Case number: 53791800. Closure: Omega blue leather and buckle. Dimensions: 39 mm diameter. Signed: case, dial and movement. Accessories: none