Rolex "Oyster Perpetual Datejust Superlative Chronometer officially certified", Movement No. 0397979, Case No. 6263782, Ref. 16013, Cal. 3035, 36 mm, circa 1980

A gentleman's automatic wristwatch with date
Case: steel/gold, screw back ref. 16000, reeded gold bezel, screwed Gold "Twinlock" winding crown, steel/gold "Jubilee" bracelet Ref. 62523H-14, lugs 455. Dial: gilt, applied luminous indexes, centre seconds, window for date, luminous baton hands. Movm.: rotorwind movement, rhodium-plated, ground, 6 adj., 27 jewels, hack feature, Glucydur balance, incabloc shock protection for balance and escape wheel.