Series: Lady-Datejust
Reference: 279163 / Exact -0016 Configuration Requires Verification
Movement: Automatic
Genuine Reference Movement: Rolex Calibre 2236
Genuine Reference Power Reserve: Approximately 55 Hours
Genuine Reference Case Diameter: 28mm
Factory: Factory Attribution Requires Verification
Crystal: Sapphire-Style Crystal with Cyclops Date Magnifier
Dial Colour: Green – Exact 279163-0016 Factory Configuration Requires Verification
Strap Colour: Silver and Yellow Gold Tone
Bracelet Material: Steel with Yellow-Gold-Tone Components
Genuine Reference Material: Yellow Rolesor – Oystersteel and 18 ct Yellow Gold
Clasp: Folding Clasp
The first useful question about this Lady-Datejust is not whether the green dial looks convincing. It is whether all of the listed specifications actually belong to the same reference.
That distinction matters because the supplied data contains an immediate conflict. Reference 279163 belongs to the modern 28mm Lady-Datejust family, whereas the original specification lists a 26mm case. Rolex’s current technical information for reference 279163 confirms a 28mm Oyster case, Yellow Rolesor construction, sapphire crystal with Cyclops, and calibre 2236.
This is exactly why reference chronology should come before cosmetic authentication. A beautifully executed dial cannot correct a case size that belongs to another generation, and a convincing two-tone bracelet cannot prove that an unverified dial color was originally delivered under a particular suffix.
The 28mm dimension is more interesting than it might initially appear. Genuine Rolex owners continue to debate 28mm against 31mm, and the disagreement is not simply about wrist circumference. Some owners consider 28mm more elegant, traditional and deliberately dainty; others think 31mm gives the Lady-Datejust enough presence to function as a contemporary everyday watch. In a 2024 comparison, the buyer ultimately chose 28mm and reported being very happy with it, while commenters were almost evenly divided between the two sizes.
That debate remained active in 2026. In one recent 28mm-versus-31mm discussion, several commenters preferred 31mm, but others specifically defended 28mm because the smaller proportion looked more refined and because intentionally small watches had returned to fashion. Another petite-wrist buyer described the same decision in terms of long-term elegance rather than simply choosing the largest watch that would fit.
This makes case proportion an important part of evaluating a 279163. A 28mm Lady-Datejust is supposed to be small. Treating its size as a deficiency and comparing it with the visual presence of a 36mm Datejust misses the purpose of the reference.
The smaller scale also changes QC.
On a 28mm dial, the coronet, hour markers, minute track, date aperture and printing occupy a much tighter visual space than they do on a 36mm or 41mm Datejust. Macro photographs can make a tiny marker deviation look dramatic even when it is difficult to detect at normal wrist distance. A 2025 GMF Lady-Datejust QC discussion made this point directly: commenters noticed minor dial nuances but considered them insignificant on the actual small watch.
That does not mean dial geometry should be ignored. It means it should be judged proportionally.
The green dial deserves particular caution because the exact 279163-0016 configuration needs independent verification. Replica Rolex’s current 279163 catalog examples confirm the underlying 28mm Yellow Rolesor platform, but current official variants include silver, champagne and mother-of-pearl configurations rather than providing evidence for the supplied -0016 green specification. Until an authoritative same-reference source establishes the original configuration, “green dial” should be treated as a characteristic of this product rather than automatically described as the genuine Rolex specification.
That distinction also changes how color should be evaluated. A green dial can still be assessed for printing, marker alignment, surface quality, hand contrast and overall execution. What should not be done is declare the shade “exactly correct for 279163-0016” when the reference-color relationship itself has not yet been established.
The bracelet provides a second evidence channel.
Rolex calls the genuine construction Yellow Rolesor, which combines Oystersteel with 18 ct yellow gold. A non-genuine two-tone bracelet should not therefore be described simply as “18kt Gold & Steel” unless its actual gold construction has been independently established. Gold-colored or plated components can reproduce the visual contrast while remaining materially different from the genuine watch.
This is where the smaller Lady-Datejust introduces another practical issue: the bracelet occupies a large proportion of what the wearer actually sees. Gold tone that looks slightly too saturated on one link can repeat across the entire bracelet. Consistency between bezel, crown and bracelet components can therefore matter more visually than an isolated microscopic dial detail.
Community discussion suggests that bracelet and overall case execution are also meaningful differentiators among smaller Lady-Datejust replicas. A detailed 2025 comparison from an owner of multiple 28mm and 31mm examples discussed ARF, GMF, WF, A+ and GSF, with particular attention to case shape, finishing, bracelet feel and dial printing rather than reducing the comparison to one supposed “tell.”
That same discussion is important for another reason: factory availability in women’s Rolex replicas does not necessarily mirror the much more heavily discussed men’s Datejust market.
A separate 2025 thread asking specifically for the best 28mm Lady-Datejust factory listed GMF, BP, WF and CSF among the established options and included the view that the 28mm category still lacked an obvious equivalent to the best-known VSF offerings in larger sizes. Consequently, a seller description saying “Clean Factory / VSF” should be treated as catalog context until the individual watch can be tied to that factory through stronger evidence.
The movement specification requires the same separation.
The genuine 279163 uses Rolex calibre 2236. Rolex specifies automatic winding, instantaneous date with rapid setting, stop-seconds and approximately 55 hours of power reserve. Those are genuine-reference specifications. They should not automatically be assigned to an unidentified movement inside a non-genuine 279163.
For an individual watch, practical movement evidence is more useful: inspect winding and setting, check several date positions under the Cyclops, observe the date change, and review actual timegrapher results when available.
Multiple dates are particularly worthwhile on a Lady-Datejust. A perfectly centered “8” does not establish that “23” or “28” will occupy the aperture equally well. Date-wheel printing, horizontal positioning and Cyclops interaction should therefore be evaluated across more than one single- and double-digit date.
The original research notes also mention finish history and component-age consistency. Those can be valuable in authentication work, but only when there is actual evidence of age, servicing or refinishing. They should not be converted into predetermined replica tells.
A polished case edge that appears softer than expected might reflect refinishing. A replacement dial could be genuine but belong to a later service history. A bracelet may have accumulated wear at a different rate from the case. None of those observations independently proves authenticity or non-authenticity.
This is where evidence hierarchy becomes genuinely useful.
Start with facts that are difficult to distort with lighting: reference family, case dimensions, movement functions, bracelet architecture and repeatable geometry. Then examine dial layout, date positioning, case finishing and component relationships. Color should come later because camera processing, exposure and white balance can alter both green and yellow-gold tones substantially.
Seller wording and factory attribution should come later still.
This approach is particularly appropriate for a small Lady-Datejust because first-glance resemblance is easy to overvalue. The watch contains fewer large surfaces than a sports Rolex, so viewers can become disproportionately focused on one green shade, one gold tone or one enlarged marker photograph.
The more useful assessment asks whether all of the evidence tells one coherent story.
Reference 279163 points to the 28mm Lady-Datejust generation, not 26mm. The genuine reference uses calibre 2236 with approximately 55 hours of power reserve. Yellow Rolesor means genuine Oystersteel plus 18 ct yellow gold, while the construction of the supplied two-tone product must be established separately. The exact green-dial -0016 configuration and the Clean/VSF attribution both require stronger evidence before being presented as facts.
Those inconsistencies are not weaknesses in the research. Finding them is the research.
For QC, concentrate on the correct 28mm case proportions, dial geometry at a realistic viewing distance, multiple date positions, Cyclops alignment, consistency of the yellow-gold tone across visible components, bracelet fit and articulation, clasp execution, movement behavior, and evidence supporting the actual factory and dial configuration.




















Jomes Dovis –
I wasn’t looking for the most complicated design, but I wanted some distinctive details. The Green gives the model most of its personality, while the relatively restrained case keeps it from feeling too busy. The item arrived in good condition, and the first look matched the listed configuration. So far, the choice looks right to me.
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