Femininity in All
Style of the Lady-Datejust
Crafted in 904L steel, 18 ct gold or gem-set platinum, the Lady-Datejust comes in a wealth of versions to perfectly reflect the different personalities of its wearers. The range of materials and colours of the Lady-Datejust is equalled only by the variety of bracelets and dials that add to its style.
What a Difference
a Date Makes
Function of the Lady-Datejust
In the earliest models of the Datejust, the date would begin to change hours before its midnight rendezvous. In 1955, the date-change mechanism was adapted to operate instantaneously and the date aperture was enhanced with a Cyclops lens that magnifies the date for easy reading.
The first Datejust
Spirit of the Lady-Datejust
Rolex uses only the finest rubies, sapphires and emeralds to adorn its watches, and employs exceptionally demanding selection criteria. Each stone is meticulously examined by the in-house gemmologists for quality and authenticity.
Since these coloured gemstones form naturally in the earth in a varied palette of colours, they are sorted by hand, stone by stone, to ensure that all the gems on a given watch are of the same hue. At Rolex, time and precision are ingredients of beauty.
18 ct Gold
By operating its own exclusive foundry, Rolex has the unrivalled ability to cast the highest quality 18 ct gold alloys. According to the proportion of silver, copper, platinum or palladium added, different types of 18 ct gold are obtained: yellow, pink or white.
They are made with only the purest metals and meticulously inspected in an in-house laboratory with state-of-the-art equipment, before the gold is formed and shaped with same painstaking attention to quality. Rolex's commitment to excellence begins at the source.
This metal bracelet with semi-circular three piece links was created in 1956 for the launch of the Oyster Perpetual Day-Date. Representing the ultimate in refinement and comfort, and made of carefully selected precious metals, the President bracelet was specifically designed for the exclusive Day-Date. It is also available on some versions of the Datejust in precious metals. The President bracelet is fitted with a concealed Crownclasp.
Calibre 2235 is a self-winding mechanical movement entirely developed and manufactured by Rolex. Like all Rolex Perpetual movements, the 2235 is a certified Swiss chronometer, a designation reserved for high-precision watches that have successfully passed the Swiss Official Chronometer Testing Institute (COSC) tests. Its architecture, in common with all Oyster watch movements, makes it singularly reliable.
Certified Swiss Chronometer
The four simple words Superlative Chronometer Officially Certified on a Rolex watch dial mean that the very movement inside the timepiece has endured 15 days and nights of testing by COSC (Contrôle Officiel Suisse des Chronomètres – Swiss Official Chronometer Testing Institute), an independent not-for-profit association. To receive COSC certification as a Swiss chronometer, a watch must demonstrate extreme precision in a variety of positions and temperatures. Rolex is unique in the industry: this is the standard level of quality required of every Rolex wristwatch movement.
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