Series : LADY DATEJUST
Model Number : 178240
Movement : Automatic
Power Reserve : Caliber Rolex 2235, 48Hours
Case Diameter : 31mm
Case Thickness : 11.1mm
Factory : Clean Factory / VSF(VS Factory)
Crystal : Scratch-Resistant Sapphire Crystal
Dial Colour : Black
Strap Colour : Silver
Strap Material : Stainless Steel
Clasp : Folding Clasp
Testing Reference-Era Consistency
178240 should not inherit a conclusion about reference-era consistency from another watch in the LADY DATEJUST family. Resolve generation and configuration first; visually related references can still differ in details that matter to authentication research.
Testing Metal-Tone Imaging Limits
A strong assessment of metal-tone imaging limits on 178240 needs comparison points rather than adjectives. Look for repeatability, component relationships and generation-specific form before describing a detail as correct or incorrect.
Clasp Locking Behavior
Use clasp locking behavior as an independent cross-check on 178240. Agreement with unrelated dial, case and mechanical evidence strengthens configuration consistency; disagreement should remain visible until a targeted follow-up resolves it.
Testing Crown Placement
178240 should not inherit a conclusion about crown placement from another watch in the LADY DATEJUST family. Resolve generation and configuration first; visually related references can still differ in details that matter to authentication research.
Lume Distribution
A strong assessment of lume distribution on 178240 needs comparison points rather than adjectives. Look for repeatability, component relationships and generation-specific form before describing a detail as correct or incorrect.
Replica Research Boundary
For 178240, replica or fake-watch terminology can define the search problem, but the assessment still has to be earned through reference-specific construction, function and evidence quality.


















Williom King –
I paid more attention to the specifications than the marketing description when choosing this one. The Stainless Steel and Folding combination is a practical touch and fits the overall styling. Nothing about the configuration feels out of place.