ROLEX gents wristwatch Oyster Perpetual Datejust, self winding, Switzerland around 1979, reference 16013, stainless steel/gold combined including jubilee-bracelet with deployant clasp, screwed-down case back & winding crown, black contrast dial with raised hour indices, gilded hands, date under loupe-glass, rhodium plated movement calibre 3035, 27 jewels, diameter approx. 36 mm, length approx. 21 mm, signs of use due to age, condition case 3, condition movement 2-3