The rarest Apple Watch has been found. These have never been sold
The device was found in the possession of a private collector Giulio Zompetti and is dated 2013. The prototype runs SwitchBoard, based on a build of iOS 8 for iPod touch.
The kit also includes a charger. Outwardly, it looks like a modern charger, but according to the owner, it is only compatible with this version of the watch.