Perhaps in a slight indication of the kinds of limitations we could expect from Apple's rumored iWatch, repair wizards over at iFixit tore apart the Pebble smartwatch, having concluded that the components are so densely packed in such a tiny space that the gizmo is not repairable at all. As a result, iFixit refrained from giving the Pebble a repairability score in the first place.
And because the makers of the Pebble smartwatch had to use excessive adhesive for waterproofing, the battery is “very inaccessible” and there's no way of prying open the device “without compromising the display”...