Series : DAY-DATE
Model Number : 118138BR
Movement : Automatic
Power Reserve : Caliber Rolex 3155, 48Hours
Case Diameter : 36mm
Factory : Clean Factory / VSF(VS Factory)
Crystal : Resistant Sapphire Crystal
Dial Colour : Brown
Strap Colour : Brown
Strap Material : Alligator
Clasp : Folding Clasp
Research Focus: Bezel Registration
On 118138BR, 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.
Evidence Question — Case Silhouette
For 118138BR, case silhouette should be compared from a true side profile. Structural form survives lighting changes better than surface shine, making it a stronger reference-specific clue.
Evidence Question — Clone Comparison
When 118138BR is screened through clone comparison, convert the suspicion into a testable question. Obtain a low-angle bezel view, isolate the disputed feature and compare it with the correct genuine generation instead of relying on one visual tell.
Research Focus: Coronet Geometry
On 118138BR, coronet geometry is best read as part of the whole dial composition. A low-angle bezel view can show spacing and repeated geometry without perspective distortion; the Brown finish should be secondary to relationships that remain stable across lighting conditions.
First-Link Articulation
On 118138BR, first-link articulation should determine how much weight each observation receives. Repeatable structure and function generally outrank lighting-sensitive appearance, while provenance provides a separate supporting channel.
Research Takeaway
With 118138BR, a few well-designed checks are more useful than a long list of generic tells. The goal is to separate genuine-reference consistency from ordinary QC, wear, service history or replica-related concerns.
















Motthew Smith –
I paid more attention to the specifications than the marketing description when choosing this one. The 18kt Yellow Gold and Alligator make the watch feel visually coordinated rather than pieced together. I checked the measurements before making the choice because size was important to me. The details are what make this version work for me.