Zenith - El Primero - 03.0560 - Men - 1970-1979

Zenith El Primero G583 chronograph dating from 1969.
Rare reference, produced in around 350 examples, the present watch is even more interesting as it is equipped with a Medical scale (Base 15), which accounts for a total production of just a handful of pieces (about 50) and an 18k solid gold bracelet.

18K gold case with pump-style chronograph pushers and a snap-on solid gold case back.
Original gold dial still in excellent preserved condition with 3 counters, featuring tachymetric and medical scales (Base 15) on the periphery, applied baton indices and the date window between 4 and 5 o'clock.
Original Zenith crown and strap, 18k gold strap.
Zenith El Primero movement Cal. 3019PHC in excellent condition, well preserved and in good working order.

The watch does not come with its original box and papers.