Yellow gold 750. Ref. 1158 p. Heavy case with screw-down case back no. C 918-4. Gold-plated dial with tachymeter scale, hour and minute sub-dials, date at 6h. Automatic movement cal. 12, (revision recommended). Leather strap with gold-plated tang buckle. D 38 mm. In the 1970s, Heuer provided the Ferrari racing team with watches. Every Ferrari Formula 1 driver received a gold Carrera chronograph from Jack Heuer.With Heuer box, outer card box and sales tag.