When Hans Wilsdorf introduced the Datejust in 1945 to mark Rolex's fortieth anniversary, it united the three qualities he believed every modern wristwatch should possess: a waterproof Oyster case, a self-winding Perpetual movement, and an automatically changing date at midnight. At a moment when the world was emerging from war, Rolex presented the Datejust as an emblem of confidence in the future, a watch for industrialists and diplomats. In 1977, Rolex rebuilt the engine. The new five‑digit Datejusts, including the ref. 16018, arrived with the calibre 3035, the first Datejust movement to operate at 28,800 vibrations per hour. The higher frequency produced the fluid sweep collectors now associate with modern Rolex while introducing the immensely practical Quickset date, an innovation that transformed everyday wear without disturbing the model's timeless silhouette. By the time this reference 16018 appeared in 1979, the watch was iconic. In the late 1970s, stone dials, textured surfaces, lacquered colors, and unusual finishes appeared across the catalogue, marking departures from the champagne faces that had long defined the gold Datejust. Among the most compelling is this blue vignette dial, where cobalt gives way to near-black at the perimeter, creating the illusion of depth beneath the crystal. Diamond hour markers catch the light like points of starlight emerging at dusk. The 36mm Oyster case is rendered entirely in 18-karat yellow gold, framed by Rolex's signature fluted bezel whose changing facets animate every movement of the wrist. It remains one of the most recognizable profiles in twentieth-century industrial design. A bespoke strap from Maison Jean Rousseau, cut from hand-woven Japanese kimono cloth, the silk saibi, the antique brocade whose threads were spun for another purpose in another country and rewoven now to cradle a wrist. The strap completely and elegantly shifts the watch's character. The vivid indigo echoes the dial's graduated blue while introducing an unexpected layer of craftsmanship: Swiss precision and Japanese decorative tradition meet and enfold in a harmonious embrace. A moment of unexpected poetry. The five‑digit Datejusts were transitional, produced for barely more than a decade before Rolex again updated the movement and crystal, retiring both the 3035 and the acrylic domes that had capped earlier dials. It is the Datejust as Wilsdorf might have imagined it after a long flight across continents: still the reliable, self‑winding chronometer that helped define the mid‑century idea of success, but now capable of slipping, almost chameleon‑like, from Zurich boardrooms to Tokyo backstreet bars without ever appearing out of place. Maker: Rolex Model: DateJust 16018 Year: 1979 Material: 18k Yellow Gold, Diamond Dial: Blue Vignette with Diamond Indices Case Measurement: 36mm Movement: Automatic Size: Adjustable, Fits Up to 7.0" Wrist on a Jean Rousseau Bespoke Kimono Strap Made in Switzerland All vintage and pre-owned watches sold by Stephanie Windsor are guaranteed to be genuine and authentic. We also guarantee the proper functioning of your watch’s mechanical movement for one (1) year from the date of purchase. Our warranty does not cover damage resulting from accidents, misuse, neglect, water damage or normal wear and tear. Please note that we do not guarantee waterproofing on vintage or pre-owned timepieces. We therefore do not recommend submerging your timepiece in water or any liquid.