Series : OYSTER PERPETUAL
Model Number : 177200PURPLERN
Movement : Automatic
Power Reserve : Caliber Rolex 2231, 48Hours
Case Diameter : 31mm
Case Thickness : 11mm
Factory : Clean Factory / VSF(VS Factory)
Crystal : Scratch-Resistant Sapphire Crystal
Dial Colour : Purple
Strap Colour : Silver
Strap Material : Stainless Steel
Clasp : Folding Clasp
Crown Guards
Rather than reuse a series-wide checklist, make crown guards the central question for 177200PURPLERN. A low-angle profile should expose the relationship directly, while perspective and reflections are treated as possible sources of error.
Rehaut Alignment
Community QC discussions can make rehaut alignment worth investigating on 177200PURPLERN, but their role is to improve the evidence request. The genuine same-reference watch remains the technical baseline.
Bezel Action Study
Rather than reuse a series-wide checklist, make bezel action the central question for 177200PURPLERN. A diffuse frontal frame should expose the relationship directly, while perspective and reflections are treated as possible sources of error.
Case Silhouette Study
For 177200PURPLERN, case silhouette is construction evidence. Follow the feature across repeated positions or component interfaces; a single attractive surface tells less than a stable geometric pattern.
Macro-Image Reliability Study
Macro-Image Reliability offers a mechanical route into 177200PURPLERN. Where the feature interacts with the stated Automatic, cross-check actual operation or architecture before relying on caliber wording or decorative markings.


















Adam Clark –
This was actually a pretty easy choice once I saw the different versions. What I like most is the overall design. I’m happy with it.