Series : DAYTONA
Model Number : 116520
Movement : Automatic
Power Reserve : Caliber Rolex 4130
Case Diameter : 40mm
Factory : Clean Factory / VSF(VS Factory)
Crystal : Scratch-Resistant Sapphire Crystal
Dial Colour : White
Strap Colour : Silver
Strap Material : Stainless Steel
Clasp : Folding Clasp
Examining Lug Curvature
Start 116520’s lug curvature study with a verified same-generation example. Limit the comparison to the parts of the White, 40mm case and Stainless Steel that actually influence lug curvature; adjacent Rolex references are background only. For 116520, use the 40mm specification only as a broad anchor when assessing lug curvature from photographs.
Setting-Sequence Verification: Independent Evidence
setting-sequence verification provides a geometry-led check for 116520. Look at how components meet, how symmetry repeats, and how the Stainless Steel or case structure carries that detail; reflections should not decide the result. 116520’s setting-sequence verification check should distinguish mechanical architecture from cosmetic movement decoration.
Power-Reserve Claim
On 116520, power-reserve claim is useful because function can expose inconsistencies hidden by a polished exterior. Document the result independently from dial and case appearance. For 116520, power-reserve claim should be tied to observable architecture or behavior; decorative markings alone are weak evidence.
Single-Tell Risk as a Reference Question
Make the photographic evidence for 116520 specific to single-tell risk. Neutral light and controlled perspective are more valuable than dramatic presentation, especially when polished surfaces create false edges. For 116520, single-tell risk deserves its own conclusion before it is combined with other evidence.
Examining Bracelet Side Profile
QC communities frequently discuss bracelet side profile, making it a useful question for 116520. Use that discussion to decide what to inspect, then return to a genuine same-reference baseline for the answer. On 116520, separate bracelet condition from the original construction features involved in bracelet side profile.


















James Clark –
I didn’t want anything too loud, and this seemed about right. The overall design is a small detail, but it changes the overall look. That’s probably the part I notice first. I’m glad I went with this version.