- small body, spruce top, mahogany back, laminated mahogany sides, round soundhole with single ring rosette, three-ply top body binding, single-ply back binding, mahogany neck, 14/20-fret rosewood fingerboard with pearl dot inlays, blackface headstock overlay (1962-69) or no overlay (1970-77) with decal logo, three-per-side nickel tuners with plastic buttons, rosewood bridge (1962-63, circa 1969-1977) or plastic bridge (1963-1968) with adjustable saddle (1962-69) and white pins, long tortoise pickguard, available in Cherry Sunburst (B-25) or Natural (B-25N) finish, 14.25 in. body width, 24.75 in. scale, mfg. 1962-1977.
From 1962 to 1968 the bridge featured an upper belly and in 1969 it was changed to a lower belly. In 1972, a black outer layer was added to the body binding.