Methodology

Why a 5-angle scan beats a single photo.

A single photo can suggest what a watch is, but it cannot show most of the details that separate a genuine watch from a good copy. Many of those tells live on the side of the case, the back and the clasp. Here is why WatchRadar’s scan can start with three useful angles, and why five give it stronger evidence.

By WatchRadar Editorial · Updated

The information problem with a single photo

A flat dial photo captures the dial typography, the applied logo, the hour markers, and the bezel insert visible from above. It does not capture: the bezel pearl height (only visible at an angle), the crown and crown guards (only visible from the side), the case thickness and lug finishing, the bracelet end-link fit at the case, the caseback engravings, the clasp stamps, or the rehaut engraving (only visible at a slight tilt). Any one of those can expose a counterfeit that looks right from the front, and a single photo leaves all of them unexamined.

More angles do not make a result certain, but they change what the analysis has to work with. Each region carries different signals: the dial carries printing and text, the crown side carries the crown and case edge, the profile carries case thickness and bracelet fit, the caseback carries engravings, and the clasp carries its own stamps and finishing. With more regions in view there is more evidence that can agree, and more chances to catch a signal that contradicts the rest. Photos still stop at the outside of the watch; only opening the case shows the movement.

What each of the five angles captures

Why these five and not seven, or three

Three useful angles are enough to start a scan, and often enough for a confident identification. They leave gaps, though: skip the caseback and the clasp, and two regions with their own engravings and stamps go unexamined. Going beyond five asks a lot of a buyer photographing a watch at a viewing, or a dealer scanning a tray of stock. Five physically different views cover the regions that carry different signals without turning the scan into a chore, which is why WatchRadar’s guided capture asks for these five.

Why the order matters

The five-angle scan is sequential by design. The guided capture walks you through the shots in order: dial and bezel, crown side, side profile, then flip the watch for the caseback and the clasp. The order does two things. First, you turn the watch over as few times as possible and nothing gets skipped. Framing guidance and sharpness and glare checks run on the iPhone as you shoot; the photos are then uploaded and analysed on WatchRadar’s servers. Second, the order keeps lighting and pose consistent from one scan to the next. A reseller running 30 watches in a session benefits from the standardisation; an individual collector benefits from never having to guess what to photograph next.

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