Series : LADY DATEJUST
Model Number : 179138GSV
Movement : Automatic
Power Reserve : Caliber Rolex 2235
Case Diameter : 26mm
Factory : Clean Factory / VSF(VS Factory)
Mirror Material : Resistant Sapphire Crystal
Dial Colour : Silver
Strap Colour : Gold
Strap Material : 18kt Yellow Gold
Clasp : Folding Clasp
Configuration Integrity
Authentication is strongest when the examiner reconstructs the reference from observable details instead of searching for a famous one-line ‘tell.’ The date display and bezel/case relationship are useful reference-specific checkpoints. They should agree with the stated 26mm configuration rather than merely appear Rolex-like. The attributes specify Folding Clasp; include its hinge, engraving and closure geometry in the photographic record. The listed crystal is Resistant Sapphire Crystal, so its seating and edge profile can be compared as a separate construction detail. The stated movement is Automatic with Caliber Rolex 2235 power reserve; keep that statement separate from what is physically verified.
Structural Comparison
Case evaluation should remain dimensional. Compare silhouette, component height and interface geometry before using surface texture or metal tone as supporting evidence.
Close-Range Inspection
Check the face in both neutral and oblique lighting. Reflections can disguise rough marker edges or make polished surrounds appear misaligned, so conclusions should survive more than one lighting condition.
Mechanical Examination
When safe access is available, photograph the movement before accepting the caliber designation. Component placement and functional sequence are harder evidence than engraving or seller terminology.
Decision Framework
Finish with an evidence hierarchy rather than a yes/no shortcut: configuration accuracy, geometry, construction, mechanics and provenance should each receive their own weight. The attribute block names Clean Factory / VSF(VS Factory); retain it as specimen-classification metadata, not as authentication proof.


















James King –
I kept coming back to this one after looking at several options. The overall finish is clean, and date display and automatic movement adds just enough visual interest. Overall, I’m happy with the choice.