A stainless steel automatic sweep seconds wristwatch with bracelet, Rolex, Oyster Perpetual, 'Explorer', Ref. 1016, Circa 1965

nickel lever movement, 25 jewels, monometallic compensation balance, adjusted to 5 positions and temperature, black matte dial, luminescent triangular, baton and Arabic numerals, tonneau water-resistant-type case, screw-down crown and screw back, case, dial and movement signed, with stainless steel Rolex Oyster bracelet and deployant clasp.