38 mm two-body stainless steel screwed down case
cal. 3019 PHC with 31 jewels
white with registers for the seconds, 30 minutes and 12 hours in silver, blue and anthracite, outer tachymeter scale and aperture for the date between 4 and 5
self-winding chronograph with date
Condition: beautiful and original condition
Description: The famous ZENITH movement "El Primero" was the first automatic chronograph ever made!