Series : DAYTONA
Model Number : 116509BK
Movement : Automatic
Power Reserve : Caliber Rolex 4130, 72Hours
Case Diameter : 40mm
Case Thickness : 12.4mm
Factory : Clean Factory / VSF(VS Factory)
Crystal : Scratch-Resistant Sapphire Crystal
Dial Colour : Black
Strap Colour : Silver
Strap Material : 18kt White Gold
Clasp : Folding Clasp
Examining Clasp-To-Bracelet Transition
For 116509BK, community attention to clasp-to-bracelet transition is best treated as a checklist prompt rather than a verdict. Forum experience can expose recurring concerns, but physical reference evidence must resolve them. For 116509BK, bracelet evidence around clasp-to-bracelet transition is strongest where links meet the case or clasp.
Applied-Logo Alignment: Independent Evidence
Build the 116509BK comparison around applied-logo alignment. A same-reference genuine example defines the target; the listed Black and 18kt White Gold become secondary anchors only where they materially affect that feature. For 116509BK, repeated dial geometry makes applied-logo alignment more informative when several elements agree.
Coronet Proportion
116509BK’s coronet proportion is best judged three-dimensionally. Use front, side or oblique evidence as needed to understand mass and interface geometry, while keeping polishing history outside the initial comparison. The Black on 116509BK supplies repeated internal landmarks, so coronet proportion should be evaluated as a pattern across the face.
Aperture-Edge Finish as a Reference Question
Let aperture-edge finish challenge the movement claim on 116509BK. If operation and architecture agree, the evidence becomes stronger; if they diverge, keep the conflict visible instead of rationalizing it away. Multiple calendar positions make the 116509BK assessment of aperture-edge finish more reliable than a single date or day.
Examining Minute-Track Registration
minute-track registration is only useful on 116509BK when the camera view preserves its geometry. Choose the angle that keeps the relevant planes aligned and avoid drawing conclusions from digitally enlarged seller imagery. For 116509BK, repeated dial geometry makes minute-track registration more informative when several elements agree.


















Ryan Wilson –
I had a couple of questions before ordering and checked the details first. The description was useful when I was comparing the options. What I like most is the overall design. Nothing to complain about really.