Series : DAY-DATE
Model Number : 118139BL
Movement : Automatic
Power Reserve : Caliber Rolex 3155, 48Hours
Case Diameter : 36mm
Case Thickness : 13.9mm
Factory : Clean Factory / VSF(VS Factory)
Crystal : Scratch-Resistant Sapphire Crystal
Dial Colour : Blue
Strap Colour : Blue
Strap Material : Alligator
Clasp : Folding Clasp
Testing Brush Direction
For 118139BL, treat brush direction as construction evidence rather than decoration. Follow interfaces and repeated shapes before allowing polish, color or seller wording to influence the assessment.
Coronet Geometry Study
118139BL should not inherit a conclusion about coronet geometry from another watch in the same series. Record this exact Blue, 36mm and Alligator configuration against the matching generation.
Component Interfaces on This Reference
118139BL should not inherit a conclusion about component interfaces from another watch in the same series. Map this exact Blue, 36mm and Alligator configuration against the matching generation.
Evidence Channel: Wear History
118139BL should not inherit a conclusion about wear history from another watch in the same series. Isolate this exact Blue, 36mm and Alligator configuration against the matching generation.
Evidence Channel: Edge Retention
For 118139BL, treat edge retention as construction evidence rather than decoration. Follow interfaces and repeated shapes before allowing polish, color or seller wording to influence the assessment.
















Matthew Young –
The overall design is probably my favorite part. I mainly bought it because I liked the look. The actual item was close to what I understood from the listing. For everyday use, it works for me.