Zenith El Primero A3817

Ref. A3817, inner caseback stamped “SP 1301”An extremely attractive, rare and well-preserved stainless steel chronograph wristwatch with date, pulsations and tachymeter scale, tri-color registers and Gay Frères bracelet Condition Report Sign Up or Login , Ref. A3817, inner caseback stamped “SP 1301” An extremely attractive, rare and well-preserved stainless steel chronograph wristwatch with date, pulsations and tachymeter scale, tri-color registers and Gay Frères bracelet, Circa 1971 37mm diameter Case, dial, movement, bracelet and clasp signed