Series : LADY DATEJUST
Model Number : 178273BK_O
Movement : Automatic
Power Reserve : Caliber Rolex 2235, 48Hours
Case Diameter : 31mm
Factory : Clean Factory / VSF(VS Factory)
Crystal : Resistant Sapphire Crystal
Dial Colour : Black
Strap Colour : Gold
Strap Material : 18kt Gold & Steel
Clasp : Folding Clasp
What to Verify: Minute-Track Registration
For 178273BK_O, minute-track registration offers repeatable visual evidence. Compare equivalent positions and look for a pattern rather than microscopic perfection; one irregular point should begin as a QC question, not an authenticity verdict.
Research Focus: Replica Photo Pitfalls
When 178273BK_O is screened through replica photo pitfalls, convert the suspicion into a testable question. Obtain a neutral frontal frame, isolate the disputed feature and compare it with the correct genuine generation instead of relying on one visual tell.
Research Focus: Bezel Registration
The listed bezel makes bezel registration a natural geometric reference on 178273BK_O. Compare frontal registration with a crown-side profile; construction and stacking are generally more reliable than perceived color or reflection.
What to Verify: Documentation Boundary
Use documentation boundary on 178273BK_O to avoid circular reasoning. Provenance can support a coherent watch, but it should not turn an uncertain photograph into a technical conclusion.
Marker Rhythm
For 178273BK_O, marker rhythm offers repeatable visual evidence. Compare equivalent positions and look for a pattern rather than microscopic perfection; one irregular point should begin as a QC question, not an authenticity verdict.
Research Takeaway
With 178273BK_O, a few well-designed checks are more useful than a long list of generic tells. The goal is to separate genuine-reference consistency from ordinary QC, wear, service history or replica-related concerns.


















Jahn Mortin –
I kept coming back to this model when I compared the available options. The case thickness of listed thickness is worth noting alongside the the listed case size; together they give a clearer idea of the proportions. The item arrived in good condition, and the first look matched the listed configuration. Nothing about the configuration feels out of place.