Series : OYSTER PERPETUAL
Model Number : 177200WTRN
Movement : Automatic
Power Reserve : Caliber Rolex 2231, 48Hours
Case Diameter : 31mm
Factory : Clean Factory / VSF(VS Factory)
Crystal : Scratch-Resistant Sapphire Crystal
Dial Colour : White
Strap Colour : Silver
Strap Material : Stainless Steel
Clasp : Folding Clasp
Case-Flank Curvature
The 31mm format of 177200WTRN provides proportion context for case-flank curvature. Work from silhouette and relative geometry rather than attempting precise measurements from an unscaled photograph.
Testing Replica Identification Context
For 177200WTRN, replica identification context should separate counterfeit vocabulary from observable facts. A clone can imitate obvious styling, so this evidence hierarchy memo gives more weight to component relationships, setting behavior and reference-specific geometry.
Configuration Anomaly
Turn configuration anomaly into a falsification test for 177200WTRN: identify what observation would make the listed configuration less plausible, then design the photograph or functional check around that specific possibility.
Evidence Hierarchy Memo — Chronograph Reset Alignment
Community QC discussions can make chronograph reset alignment worth checking on 177200WTRN, but their value is diagnostic rather than authoritative. Use recurring concerns to improve the photo or test request, then return to the genuine reference.
Evidence Hierarchy Memo — Functional Cross-Check
The 31mm format of 177200WTRN provides proportion context for functional cross-check. Work from silhouette and relative geometry rather than attempting precise measurements from an unscaled photograph.
















Jashuo ondersan –
I mainly bought it because I liked the look. The overall design is noticeable without being over the top. Nothing to complain about really The proportions also seem right to my eye I like the way the details come together It’s a fairly easy piece to wear.