Zenith El Primero G382, `70s18k gold round case, n.485-D-825, screw back, trapezoidal lugs, round pushers. Champagne, brown and white dial, brown counters, applied luminescent indexes. Automatic movement, cal. 3019 PHC. Zenith leather strap and Zenith gilted buckle. Size: 40 mm. Notes: Reference G382 is probably the rarest Zenith El Primero model, produced in a limited series of 250 pieces in 1970.