Series : OYSTER PERPETUAL
Model Number : 277200-0001
Movement : Automatic
Power Reserve : Caliber Rolex2232,55Hours
Case Diameter : 31mm
Case Thickness : 10mm
Factory : Clean Factory / VSF(VS Factory)
Mirror Material : Resistant Sapphire Crystal
Dial Colour : Silver
Strap Colour : Silver
Strap Material : Stainless Steel
Clasp : Folding Clasp
Examining Date-Wheel Centering
Start 277200-0001’s date-wheel centering study with a verified same-generation example. Limit the comparison to the parts of the Silver, 31mm case and Stainless Steel that actually influence date-wheel centering; adjacent Rolex references are background only. On 277200-0001, sample more than one displayed calendar value before deciding whether date-wheel centering is consistent.
Annual-Calendar Setting Sequence: Independent Evidence
Evaluate annual-calendar setting sequence on 277200-0001 by following the machining logic rather than the shine. The most useful evidence lies in consistent radii, transitions, seating and alignment where adjacent parts interact. Multiple calendar positions make the 277200-0001 assessment of annual-calendar setting sequence more reliable than a single date or day.
Gmt Hand Relationship
277200-0001 offers a functional route into GMT hand relationship. Operate the relevant control, note the sequence and result, and compare that behavior with the expected architecture rather than relying on static photographs. For 277200-0001, the strongest GMT hand relationship evidence links hand relationships to setting behavior rather than treating them separately.
First-Link Articulation as a Reference Question
Photograph first-link articulation on 277200-0001 for the question it is meant to answer. A centered or profile view should control perspective, focus and reflections before image differences are interpreted as physical ones. The Stainless Steel on 277200-0001 should be judged at its interfaces when first-link articulation concerns fit, articulation or closure.
Examining Rotor/Bridge Layout
Enthusiast QC habits can sharpen the 277200-0001 review by highlighting rotor/bridge layout. They should influence the evidence plan, not the final authenticity conclusion. On 277200-0001, structural movement evidence gives rotor/bridge layout more weight than matching text on a bridge or rotor.






























Jason Martinez –
I took a little time to check the description before committing to this one. The proportions and automatic movement and sapphire-style crystal work particularly well together. The overall experience has been pleasantly uncomplicated.