Series : OYSTER PERPETUAL
Model Number : 177200PK369
Movement : Automatic
Power Reserve : Caliber Rolex 2231u300248Hours
Case Diameter : 31mm
Factory : Clean Factory / VSF(VS Factory)
Mirror Material : Resistant Sapphire Crystal
Dial Colour : Pink
Strap Colour : Silver
Strap Material : Stainless Steel
Clasp : Folding Clasp
Reference Generation
For this exact configuration, prioritize whether dial, case, bracelet and movement claim belong to the same reference generation. Trace generation-specific architecture before borrowing assumptions from a visually similar predecessor or successor. This step is particularly important when neighboring models share broad styling. Clean Factory / VSF(VS Factory) is useful for version tracking, not for proving authenticity.
Caliber Cross-Check
The most discriminating opening check is whether the claimed Automatic is supported by actual architecture. Benchmark bridge layout, rotor form, balance location and setting sequence instead of relying on caliber wording in the listing. Internal evidence should be documented with a side-profile frame only when access is appropriate and safe. The source names Clean Factory / VSF(VS Factory) as factory attribution; keep that as classification metadata only. The listed reserve is Caliber Rolex 2231u300248Hours; that specification should be verified rather than assumed.
Case Geometry
This configuration becomes easier to evaluate when attention starts with the case silhouette around the stated 31mm size. Verify crown position, lug mass, mid-case height and bezel-to-case ratio before judging surface polish. Profile evidence from a date-window macro is more stable than impressions created by reflections. Clean Factory / VSF(VS Factory) is useful for version tracking, not for proving authenticity.
Practical Conclusion
Where photographs remain ambiguous, the sensible result is uncertainty until stronger documentation is available. The evidence record should remain reference-specific to 177200PK369 throughout.
















Adam Clark –
Rather than going for the most eye-catching version, I settled on this one. I was pleasantly surprised by how natural pink dial and automatic movement looks when worn. There was a little more detail to consider than I expected, but that helped me make a more informed choice. I’m satisfied with it at this point.