Series : LADY DATEJUST
Model Number : 178240SV_J
Movement : Automatic
Power Reserve : Cailber Rolex 2235, 48Hours
Case Diameter : 31mm
Factory : Clean Factory / VSF(VS Factory)
Crystal : Resistant Sapphire Crystal
Dial Colour : Silver
Strap Colour : Silver
Strap Material : Stainless Steel
Clasp : Folding Clasp
Cyclops Behavior
Cyclops Behavior gives 178240SV_J a useful cross-check because a short functional demonstration can answer questions that a single date-window photograph cannot.
Caseback Transition
Use caseback transition to study the silhouette of 178240SV_J. The 31mm specification provides context, but relative curvature, taper and transitions are more reliable than estimating dimensions from a photograph. Wear or refinishing must remain possible explanations.
Bezel Registration
On 178240SV_J, bezel registration should be evaluated as component geometry rather than decoration. If the bezel has an operating function, its action adds evidence independent of appearance.
What to Verify: Lug Taper
Use lug taper to study the silhouette of 178240SV_J. The 31mm specification provides context, but relative curvature, taper and transitions are more reliable than estimating dimensions from a photograph. Wear or refinishing must remain possible explanations.
Research Focus: Evidence Hierarchy
For 178240SV_J, evidence hierarchy keeps confidence proportional to the available material. Better evidence is preferable to stronger wording, especially where seller photography is incomplete.


















Brondan Jocksan –
What interested me here was the balance between the case size and the dial design. I’ve only had a short time to evaluate it, so I’m keeping my comments focused on the listed design and initial impression. The Stainless Steel and Stainless Steel make the watch feel visually coordinated rather than pieced together. Overall, the configuration makes sense for what I wanted.