Series : LADY DATEJUST
Model Number : 179178JCH
Movement : Automatic
Case Diameter : 26mm
Factory : Clean Factory / VSF(VS Factory)
Crystal : Resistant Sapphire Crystal
Dial Colour : Gold
Strap Colour : Gold
Strap Material : 18kt Yellow Gold
Clasp : Folding Clasp
Dial-Rehaut Spacing
Photography can materially change how dial-rehaut spacing appears on 179178JCH. Control angle, focus, white balance and reflections before treating an image difference as a manufacturing difference.
Investigating Hand Clearance
Condition complicates hand clearance on 179178JCH. Polishing, wear or service replacement may alter the evidence, so later intervention should be separated from original manufacture before origin is discussed.
Mechanical Verification — Metal Tone Response
Condition complicates metal tone response on 179178JCH. Polishing, wear or service replacement may alter the evidence, so later intervention should be separated from original manufacture before origin is discussed.
Mechanical Verification — Same-Reference Comparison
This mechanical verification makes same-reference comparison the primary question for 179178JCH. Compare the feature with a verified same-generation genuine example, using the Gold, 26mm and 18kt Yellow Gold only where they materially influence the result.
Investigating Crown-Tube Interface
Condition complicates crown-tube interface on 179178JCH. Polishing, wear or service replacement may alter the evidence, so later intervention should be separated from original manufacture before origin is discussed.
















Mork Mortinez –
I wasn’t looking for the most complicated design, but I wanted some distinctive details. At the listed case size, the proportions look fairly balanced, and the Gold works nicely with the 18kt Yellow Gold. Nothing about the configuration feels out of place.