Series : LADY DATEJUST
Model Number : 279161-0012
Movement : Automatic
Power Reserve : Caliber Rolex2236, 55Hours
Case Diameter : 28mm
Case Thickness : 11.1mm
Factory : Clean Factory / VSF(VS Factory)
Crystal : Resistant Sapphire Crystal
Dial Colour : Brown
Strap Colour : Silver & Gold
Strap Material : 18kt Rose Gold & Steel
Clasp : Folding Clasp
Investigating Winding Behavior
This construction study makes winding behavior the primary question for 279161-0012. Compare the feature with a verified same-generation genuine example, using the Brown, 28mm and 18kt Rose Gold & Steel only where they materially influence the result.
Investigating Crown-Tube Interface
Rather than begin with overall resemblance, examine 279161-0012 through crown-tube interface. Look for repeated geometry or behavior; a systematic pattern carries more weight than one isolated QC irregularity.
Calendar Transition
This construction study makes calendar transition the primary question for 279161-0012. Compare the feature with a verified same-generation genuine example, using the Brown, 28mm and 18kt Rose Gold & Steel only where they materially influence the result.
Crown Placement
This construction study makes crown placement the primary question for 279161-0012. Compare the feature with a verified same-generation genuine example, using the Brown, 28mm and 18kt Rose Gold & Steel only where they materially influence the result.
Testing Edge Retention
Photography can materially change how edge retention appears on 279161-0012. Control angle, focus, white balance and reflections before treating an image difference as a manufacturing difference.




























Thamos ondersan –
After comparing a few versions, this was the combination I preferred. The 18kt Rose Gold & Steel and Folding combination is a practical touch and fits the overall styling. It is a good match for the style I had in mind.