Swiss model, 1950s, Unique stopwatch, With telemeter and tachymeter, red scale division markers. CT18750. Gold-coloured case has a diameter of 40 mm, width including crown is 42 mm. Push buttons for start/stop mechanism on the left side, movement has NO chronograph function and/or reset option. Dauphine hands and second hand Arrow, with red arrow indicator. Telemeter measures distance of light and sound relative to the speed of light (e.g. to be used during thunderstorms) Tachymeter measures speed of moving object. Mechanical (winding) timepiece with 15 jewels, keeps time well. Red leather strap, 18 mm wide, total length (incl. Watch): 24 cm. A collector's item. Will be packaged with care and shipped with Track & Trace