YEMA Rallygraf Valjoux 7730, ref. 93016B, circa... Lot 159

YEMA Rallygraf Valjoux 7730, ref. 93016B, circa 1968-70 Steel chronograph, signed black dial, red stripes on the left side, applied square hour markers, black fixed bezel, tachymeter scale, permanent seconds counter at 9 o'clock, chronometer minutes at 3 o'clock, mechanical hand-wound movement, Valjoux caliber 7730, steel bracelet with folding clasp (later) Diameter: 39 mm (Good condition, works, small shocks to the bezel) Graduated from the National School of Watchmaking of Besançon, Henri Louis Belmont created in 1948 the Yema manufacture, The house will develop the sports watches in the years 1960 (Superman, Yachtingfraf then Rallygraf). Our version equipped with a Valjoux 7730 appears in 1968, with its two counters, red lines and checkered flags. It became a mythical model because it was carried by the pilot Mario Andretti at the time of his victory in Indianapolis in 1969. So mythical that it has been reissued in a limited edition in 2019 on the occasion of the fiftieth anniversary of Andretti's victory.