Series : DAY-DATE
Model Number : 118135BK
Movement : Automatic
Power Reserve : Caliber Rolex3155, 48Hours
Case Diameter : 36mm
Factory : Clean Factory / VSF(VS Factory)
Crystal : Resistant Sapphire Crystal
Dial Colour : Black
Strap Colour : Black
Strap Material : Leather
Clasp : Folding Clasp
Research Focus: Case-Bracelet Proportion
The Leather on 118135BK is part of the case architecture, making case-bracelet proportion a useful interface check. Compare both sides, articulation and transition geometry; one imperfect junction may be QC, while repeated inconsistency is more informative.
What to Verify: Bracelet Taper
The Leather on 118135BK is part of the case architecture, making bracelet taper a useful interface check. Compare both sides, articulation and transition geometry; one imperfect junction may be QC, while repeated inconsistency is more informative.
What to Verify: Negative Evidence
For 118135BK, negative evidence helps counter confirmation bias. If the decisive view or function test is missing, the accurate result is an unresolved question rather than a forced conclusion.
Evidence Question — Mechanical-Versus-Cosmetic Evidence
The stated Automatic gives 118135BK a mechanical route into mechanical-versus-cosmetic evidence. Record the relevant operating sequence or architecture before relying on caliber wording; functional evidence is valuable precisely because it is independent of exterior resemblance.
Generation Coherence
The value of generation coherence on 118135BK is configuration logic. The Black, listed bezel, Leather and Automatic claims should belong to the same generation unless service history explains otherwise; a conflict identifies a research question rather than automatic proof of a fake.


















Brion Lewis –
The luminous details adds some character without changing the basic, easy-to-read layout. The listing made this version stand out to me for a couple of reasons. Delivery was uneventful, which is exactly what I want from an online purchase. I’m satisfied with the specification and presentation.