SWATCH LEONARDOS - Model Engineer GB 139, 1991. Wristwatch, quartz movement, plastic. Opaque black case, muted dial with the same kind of pattern as the bracelet. Strap with colored patterned motifs. Diam. 34.0 mm. In its box, certificate present from another Swatch watch. From the front, no flaws to report, on the back numerous folds and stains as the bracelet has dried out. Ref. mentioned in Swatch catalog 88-92, p. 105. Watches have not been opened, function is unverified and not guaranteed. Batteries not included or to be replaced. Plastic straps may be dry and brittle. As is