Series: LADY DATEJUST
Model Number: 178384
Movement: Automatic
Product Power Reserve: Not Independently Verified
Genuine Reference Movement: Rolex Calibre 2235
Genuine Reference Power Reserve: Approximately 48 Hours
Case Diameter: 31mm
Factory: Clean Factory / VSF(VS Factory)
Mirror Material: Resistant Sapphire Crystal
Dial Colour: White
Strap Colour: Silver
Strap Material: Stainless Steel
Clasp: Folding Clasp
Reference 178384 belongs to the previous-generation 31mm Datejust family, but its defining feature is not simply the smaller case. Genuine examples combine a stainless-steel case with a diamond-set white-gold bezel, creating a materially different reference from an ordinary smooth- or fluted-bezel steel Datejust. The genuine generation uses Rolex calibre 2235 with approximately 48 hours of power reserve.
That makes the original movement information partly useful but incorrectly assigned. Calibre 2235 and approximately 48 hours describe the genuine reference baseline; they do not establish which automatic movement is installed inside this replica. The replica movement should remain separately identified unless its actual architecture has been verified.
The bezel deserves more attention than the generic construction checks in the source because it is central to what makes a 178384 a 178384. Documented genuine configurations identify white gold and stainless steel as separate case materials and a gem-set bezel. One documented 178384-0054, for example, combines the 31mm architecture with a diamond bezel, Oyster bracelet and black dial, while other suffixes use different dial and bracelet combinations.
For a replica, therefore, merely having a ring of clear stones is not enough to establish reference accuracy. The more useful visual questions concern the proportions of the bezel around the 31mm case, the regularity of the stone layout, the relationship between the settings and the dial opening, and whether the bezel overwhelms the relatively small watch head. Material must remain a separate issue: a replica bezel that visually imitates white gold is not thereby an 18 ct white-gold bezel.
The supplied White dial requires another layer of verification. Reference 178384 was offered in numerous configurations rather than one universal dial. Available records include black, silver, mother-of-pearl, blue and other executions, with different marker and bracelet combinations. Consequently, the base reference alone does not prove that this exact white dial, its marker arrangement and its bracelet form one particular genuine Rolex configuration.
That distinction becomes especially important because “white” can describe visually different dials.
A conventional white dial and white mother-of-pearl should not be treated as interchangeable. Rolex CPO records for reference 178384 include a Mother-of-Pearl White example, while replica-community discussions show buyers actively distinguishing white MOP from ordinary white and judging whether a replica Rolex actually displays the expected iridescence. If this product is intended to reproduce MOP, flat white appearance would be relevant; if it is intended as a conventional white dial, MOP photographs are the wrong comparison target.
This is why the complete dial execution should be identified before performing microscopic marker analysis.
The 31mm scale changes the visual balance as well. A diamond bezel consumes substantial visual space around a relatively compact dial, so bezel width, dial opening, date window and Cyclops form a tightly connected composition. Small proportional errors can therefore change the character of the entire watch even when individual components look acceptable in isolation.
Current replica discussions also suggest that 31mm Datejusts should be researched independently rather than inheriting the factory conclusions commonly repeated for 36mm and 41mm models. In September 2026, buyers discussing 28mm and 31mm white/MOP Datejust replicas were still comparing less familiar factory options and noting that women’s-size models have historically received less replica-development attention. Another current discussion describes the 31mm factory landscape as having expanded compared with the previous year.
That evidence does not prove that every 31mm replica is less accurate. It does mean that factory reputation from larger Datejust sizes should not simply be transferred to 31mm without examining the actual product.
Sample-level QC reinforces that approach. A 2025 white Roman 31mm example generated discussion around date-wheel font, bezel definition and end-link fit, while another white 31mm example was considered satisfactory despite the buyer initially questioning alignment. These cases are useful because they show variation between individual watches, not because they establish universal defects.
For this particular reference, the date system remains worth checking because it occupies a large amount of visual attention on a small dial. A straight-on comparison across several dates is more informative than a single seller photograph: it can reveal whether wider and narrower numerals remain centered and whether the Cyclops, aperture and date wheel work together as one optical system. Camera angle should be controlled before drawing conclusions about magnification or horizontal offset.
The bracelet should be approached differently from the original generic “end-link diagnostic” language. Reference 178384 existed with different bracelet configurations, including documented Oyster and Jubilee variants. The first question is therefore whether the bracelet belongs to the exact genuine configuration being reproduced; only after that does end-link fit become a meaningful sample-level QC issue.
The strongest assessment of a 178384 replica consequently starts with configuration identity rather than microscopic inspection: determine the intended dial type, marker layout and bracelet, confirm that they correspond to a genuine 178384 configuration, then evaluate the diamond bezel, white-gold appearance, date presentation and individual assembly quality.
That order matters. A perfectly aligned marker cannot correct the wrong dial configuration, and tight end links cannot make an incorrectly constructed bezel reference-accurate.


















Brian Scott –
The listing gave me enough information to make the decision fairly easily. In person, white dial and date display is the detail that stands out most to me. The package arrived in good condition and the first impression was positive. Overall, I’m happy with the choice.