Zenith El Primero

ZENITH The First, No. 707D508

Circa 1970 Steel wrist chronograph Case: tonneau, screwed back, signed Dial: silvered, applied “baton” indexes, date window, railway minute track with 1/5 second graduation, tachymeter scale, signed Movement: automatic cal., Buckle: pin Diam. 46 x 37 mm A stainless steel automatic chronograph wristwatch, stainless steel buckle. With a Zenith booklet