Great fun vintage chronograph of quality: Fully overhauled, attractive and rare all steel chrono from ca 1970s. Valjoux 7736 (three subdials). Signed Mondia: dial, crown, inside back cover and movement. The original crown is present, but damaged. Diameter of case is 39mm. Mondia was teamed up with the superb quality makes Zenith and Movado at the time.