HEUER (CHRONOGRAPHE CALCULATOR - CHRONOMATIC / BLUE / Ref. 110.633 M), vers 1974
Imposing pilot chronograph in solid steel with screwed back (signed Heuer Leonidas).
Large metal bezel with bi-directional oversized slide rule for measuring intermediate times or fuel consumption (patinated with marks). Blue dial with two ringed counters (at 3 o'clock : 30 minutes with orange marking and at 9 o'clock graduation on 12 hours, date window at 6 o'clock, applied indexes and luminescent hands for better vision during the race.
One vintage pilot strap in oiled leather with Heuer buckle and one vintage Tropic strap in rubber.
Movement: mechanical automatic winding caliber signed LEONIDAS HEUER / Buren 12 Swiss.
Additional data
- Case diameter : 46 mm
- Condition : Good condition
- Box : signed by the brand (not original)
- Papers : certificate of expertise VWS by the expert J.C. GUYON