Series : LADY DATEJUST
Model Number : 178240GYRN
Movement : Automatic
Power Reserve : Caliber Rolex 2235, 48Hours
Case Diameter : 31mm
Case Thickness : 11.9mm
Factory : Clean Factory / VSF(VS Factory)
Mirror Material : Resistant Sapphire Crystal
Dial Colour : Silver
Strap Colour : Silver
Strap Material : Stainless Steel
Clasp : Folding Clasp
Model Revision Check
A model-specific review should open with whether dial, case, bracelet and movement claim belong to the same reference generation. Review generation-specific architecture before borrowing assumptions from a visually similar predecessor or successor. This step is particularly important when neighboring models share broad styling. Factory labeling in the source (Clean Factory / VSF(VS Factory)) should remain separate from the physical evidence.
Surface Transitions
The most informative starting point is transitions between surface treatments instead of overall brightness. Document where brushing stops, polishing begins and edges change direction around lugs, bezel and bracelet. Normal wear must be separated from manufacturing traits before finish quality is used diagnostically. Factory labeling in the source (Clean Factory / VSF(VS Factory)) should remain separate from the physical evidence.
Perimeter Details
A model-specific review should open with the bezel as a complete component: scale spacing, marker registration, edge definition and its height relative to the crystal. Review alignment to the dial before using color or apparent gloss as supporting evidence. A crown-side profile can expose relationships that promotional frontal shots often hide. Factory labeling in the source (Clean Factory / VSF(VS Factory)) should remain separate from the physical evidence.
Practical Conclusion
If those observations agree, the reference claim becomes more credible; if they conflict, leave the result open. Treat 178240GYRN as the comparison target from first photograph to final note.


















Thomas King –
The first thing I noticed was how the different design elements work together. Once I saw it in normal lighting, date display and automatic movement made more sense than it did on screen. It suits what I had in mind.