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Rolex Lady-Datejust 28 — 279171

Rolex

Lady-Datejust 28

279171

Oystersteel meets Everose gold in Rolex's refined 28 mm dress icon.

Estimated market value
$8,400
Confidence: Moderate

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Overview

The Rolex Lady-Datejust 28 reference 279171 pairs a 28 mm Oyster case in a two-material combination of Oystersteel and Everose gold with the brand's in-house Calibre 2236. Offered across a range of dial executions — including sundust, rosé, and mother-of-pearl — the reference sits at the intersection of horological precision and feminine dress-watch tradition. It belongs to the long-running Lady-Datejust line, one of the most enduring references in Rolex's catalogue.

History

The Lady-Datejust traces its origins to the mid-twentieth century, when Rolex introduced a scaled-down Datejust proportioned for smaller wrists, making it one of the earliest purpose-designed women's watches from a major Swiss manufacture. The modern 28 mm generation, which superseded the earlier 26 mm case, was established in the mid-2010s and brought with it updated proportions and a new movement family. Reference 279171 entered production around 2015 and has remained a current reference, benefiting from the introduction of Calibre 2236 — a movement developed specifically for the Lady-Datejust 28 and featuring a Syloxi silicon hairspring. The Oystersteel and Everose combination places 279171 in Rolex's Rolesor tradition, a technique of blending steel and gold that the brand has employed for decades.

Notable points

  • The 28 mm Oyster case is crafted from a combination of Oystersteel and Everose gold, Rolex's proprietary 18 ct rose-gold alloy formulated for enhanced corrosion resistance.
  • Calibre 2236 is an in-house movement developed specifically for the Lady-Datejust 28, incorporating a Syloxi silicon hairspring for improved precision and resistance to magnetic fields and temperature variation.
  • Dial variety is a defining characteristic of the reference, with options spanning sundust, rosé, and mother-of-pearl executions, often paired with diamond-set hour markers or bezels.
  • The two-material Oystersteel and Everose pairing continues Rolex's long-standing Rolesor tradition, which combines the durability of steel with the warmth of gold on both case and bracelet.
  • Reference 279171 belongs to the 28 mm Lady-Datejust generation introduced in the mid-2010s, a line update that also brought a larger, more contemporary case diameter compared to its 26 mm predecessor.

Specifications

Brand
Rolex
Collection
Lady-Datejust
Reference
279171
Years of production
2015 – present
Case
28mm Oystersteel/Everose
Case material
Everose Rolesor (Oystersteel/Everose gold)
Case diameter
28 mm
Movement
Cal. 2236
Crystal
Sapphire
Dial
Various (sundust, rosé, mother-of-pearl)
Bezel
Fluted Everose gold
Bracelet / strap
Oyster or Jubilee bracelet, Oystersteel & Everose gold
Water resistance
100 m
Power reserve
55 h
Complications
Date
Type
Dress
Worn as
Ladies'
Also known as
レディデイトジャスト, デイトジャスト, 女装日志, 日志

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