This is a rare Leonidas CP-1 Chronograph powered by the Cal. Val. 222 fly-back . A.M.I. issued, aeronautica militare italiana (italian air forces). Rare original Mark I brown chapter ring dial. The watch is in overall excellent condition and works properly it measures 39 mm, without crown, the back case engraved A.M.I. 1964. This model is rarer then CP-2 because was made in a few pieces, this one is fitted by the awesome and rarest bakelite bezel.