Inspired by aviator chronographs from the 1940's, this watch is a new edition from the early 1990's. The case is made in 3 pieces, in steel, with a 40-mm diameter that makes it up-to-date and exclusive to this day. Pressure fit case back and crown, domed plexiglas crystal. On the dial, in the outermost part, there are two scales. The external one is a tachymeter. The internal one is a centesimal scale that can be converted to a sexagesimal scale. Hand-wound mechanical movement Lemania 1873. Total length (strap + casing): approx. 24 cm Strap lug-to-lug width: 20 mm Watch weight: approx. 70 g This watch is in very good condition, with minimal wear and in perfect working order. The strap is original Eberhard but is not specific to the Aviograf model. The watch is sent with a beautiful leather travelling case that is nearly new. Insured shipping via Poste Italiane.