Omega Speedmaster Ref 17500321 a stainless steel chronograph watch with bracelet. Dial: black. Calibre: cal. 3220A automatic, 47 jewels. Case: brushed and polished stainless steel tonneau-form, snap on back. Case number: 55599785. Closure: brushed stainless steel 1469 Omega link and folding clasp. Dimensions: 39 mm, bracelet cricumference approximately 160 mm. Signed: case, dial and movement. Accessories: original Omega swingtag, generic black leather watch strap