Series : LADY DATEJUST
Model Number : 178341NGBK
Movement : Automatic
Power Reserve : Caliber Rolex 2235, 48Hours
Case Diameter : 31mm
Factory : Clean Factory / VSF(VS Factory)
Crystal : Scratch-Resistant Sapphire Crystal
Dial Colour : Black
Strap Colour : Silver & Gold
Strap Material : 18kt Rose Gold & Steel
Clasp : Folding Clasp
Mechanical-Versus-Cosmetic Evidence Study
Photography is part of the evidence for mechanical-versus-cosmetic evidence on 178341NGBK. A neutral frontal frame under neutral light is preferable; if the finding changes dramatically with angle, its diagnostic weight should be reduced.
Photo-Evidence Plan — Component-Interface Tolerance
Read component-interface tolerance on 178341NGBK through component interaction. The feature becomes more meaningful when adjacent parts support the same geometry or function, which is why a narrow close-up can sometimes outperform a full-watch image.
Balance Position Study
Read balance position on 178341NGBK through component interaction. The feature becomes more meaningful when adjacent parts support the same geometry or function, which is why a narrow close-up can sometimes outperform a full-watch image.
Photo-Evidence Plan — Local-Hour Setting Behavior
A strong assessment of local-hour setting behavior on 178341NGBK needs comparison points rather than adjectives. Look for repeatability, component relationships and generation-specific form before describing a detail as correct or incorrect.
Central Hand-Stack Geometry
The 31mm format of 178341NGBK provides proportion context for central hand-stack geometry. Work from silhouette and relative geometry rather than attempting precise measurements from an unscaled photograph.


























Jashuo Lee –
I kept coming back to this model when I compared the available options. The 18kt Rose Gold & Steel and Folding combination is a practical touch and fits the overall styling. The item arrived in good condition, and the first look matched the listed configuration. Nothing about the configuration feels out of place.