Important Collectors’ Watches, Pocket...

Geneva, Oct 14, 2007

LOT 3

?El Primero Sub Sea? Zenith, ?Chronograph, Automatic, El Primero Sub Sea?, Ref. PI 6734. Made circa 1975. Fine, self-winding, water-resistant, stainless steel wristwatch with round button chronograph, registers, tachometer, date, and an integral stainless steel bracelet with deployant clasp.

C. Three-body, tonneau-shaped, solid, polished and brushed, bi-directional notched bezel, faceted lugs, screw-down case back, flat crystal. D. Black with applied luminous baton indexes, subsidiary dials for the 12-hour and 30-minute register and constant seconds, outer minute/ seconds and 1/5th seconds, outer tachometer scale, aperture for date between 4 and 5. Luminous white ?baton? hands. M. Cal. 3019 PHC, rhodium-plated, 31 jewels, straight-line lever escapement, monometallic balance, shock absorber, flat balance spring. Dial, case and movement signed. Diam. 44 mm. Thickness 13.9 mm.