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Rolex Lady-Datejust Guide: References, Specs, Prices | Ultimate Watch

The Rolex Lady-Datejust is the small-case, chronometer-certified date watch that Rolex has built continuously since 1957. It takes everything that made the men's Datejust the reference-point dress watch, the fluted bezel, the Cyclops date lens at 3 o'clock, the self-winding Perpetual movement, and puts it into a case scaled for a smaller wrist. When it arrived in 1957 it was the first women's wristwatch to carry official COSC chronometer certification, which at the time was a big deal: precision watches with a date complication were almost entirely a men's category. Today the line lives in a 28mm case with the caliber 2236 inside, and the older 26mm generations trade every day in the pre-owned market. We buy and sell Lady-Datejusts constantly at our counter on 19 West 47th Street; it is one of the most liquid women's watches in the world, which is exactly why the details of reference, caliber, metal, and bracelet matter so much to what a piece is actually worth.

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Specifications

Current GenerationLady-Datejust 28
Case Size28mm (current); 26mm across the vintage and prior generations; 31mm sits in the mid-size Datejust line, not the Lady
CaliberCaliber 2236, self-winding Perpetual mechanical movement
Movement Details31 jewels, 28,800 beats per hour (4 Hz), approximately 55 hours of power reserve, Syloxi hairspring in silicon with patented geometry, Paraflex shock absorbers, bidirectional Perpetual rotor
ChronometerCOSC-certified Swiss chronometer, held to a Rolex precision standard of -2/+2 seconds per day after casing (Superlative Chronometer)
Water Resistance100 meters (330 feet), Oyster case with screw-down Twinlock winding crown
CrystalScratch-resistant sapphire with Cyclops date magnifier
MaterialsOystersteel (904L-grade stainless), Yellow Rolesor and Everose Rolesor (steel and gold), solid 18k yellow gold, 18k white gold, 18k Everose gold, and gem-set variants
Bezel OptionsDomed smooth, fluted 18k gold, and diamond-set 18k gold
Bracelet OptionsOyster, Jubilee, and the President bracelet on solid-gold models, with concealed Crownclasp
FunctionsHours, minutes, sweep seconds, instantaneous date with quickset

History

Iconic References

Buying Guide

Pricing & Market Data

Comparisons

Cultural Significance

Collector's Lore

The Lady-Datejust is where a lot of people learn that Rolex has always been a spec company first. In 1957 the selling point was not the diamonds, it was the COSC certificate on a women's watch, which nobody else was doing at that scale. Collectors chase the stone dials from the four-digit era, turquoise, lapis, coral, and other hardstone dials that Rolex fitted to 6917 and later references, because those originals are increasingly hard to find unrefinished and command strong premiums. On the two-tone 69173, the tell of a good example is a Jubilee bracelet that has not stretched into a loose, floppy fit, since that hollow-link bracelet is the first thing to wear on a 30-year-old watch. And the quiet insider move on the current line is the 279174: a steel case with a white gold fluted bezel gives you the fluted-bezel look that people associate with solid gold, at a fraction of the price. We see all of it cross the counter on 47th Street, and the watches that hold their value are always the honest, original, unmolested ones.

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