Rolex "Oyster Perpetual Day-Date Superlative Chronometer officially certified", Movement No. 0014375, Case No. 5301887, Ref. 18028, Cal. 3055, 36 mm, circa 1977

A gentleman's automatic wristwatch with day and date indicator. Rare "DAY DATE" with flat becel; one of the first "Single Quicks"!
Case: 18K gold, screw back ref. 18000, screwed "Twinlock" winding crown, 18k gold "President" bracelet ref. F18000. Dial: gilt, outer radial Roman numerals and applied luminous indexes, centre seconds, signed, luminous baton hands. Movm.: rotorwind movement, rhodium-plated, ground, 6 adj., 27 jewels, Glucydur balance, incabloc shock protection for balance and escape wheel.