Top chronometer certification: Swiss Chronometer Certification (COSC) + Rolex certification (when the movement is in the case)
Champagne-colored dial
The dial is set with diamonds on an 18-carat gold base. Many of the OYSTER models feature a sunray effect that reflects a light sheen. This effect requires a sophisticated brushing technique that creates a pattern of engravings that extends from the center of the watch face outwards. The light is dispersed along the markings, creating a subtle yet distinctive effect that reveals itself in different shades as the wrist moves. Once the sunray effect is completed, the watch is then colored by physical vapor deposition or electroplating, and finally finished with varnish.
Pitted bezel
The Rolex bezel is a characteristic feature of the brand's watches. Initially, the OYSTER bezel was intended to serve a practical purpose, helping to secure the bezel to the case by screwing it down and ensuring that the watch was water-resistant. The same was true of the pitched caseback, which was screwed into place with a special Rolex tool. Later, the triangular pitched pattern evolved into an aesthetic design element that has become an iconic feature of Rolex. To this day, it is a characteristic feature of the brand's watches, and the Lady-Datejust's bezel is made of gold.
18K Gold
Rolex has a dedicated foundry that develops high-quality 18K gold alloys. By mixing different amounts of silver, copper, platinum or palladium, different types of 18K gold are produced: yellow, pink or white gold. All raw materials are made from high purity metals and are carefully tested in our own laboratories with state-of-the-art equipment before the gold is shaped, with meticulous attention to detail in every step of the process. The pursuit of excellence from the very beginning of the production process has always been Rolex's obsession.