I found these images on www.r-l-x.de showing a brokern SeaDweller Band. It has been known that the weakest link in Oyster bands is the first link. Apparently, there is a springbar that holds the bracelet to the Solid End Link (SEL). The Google translated version in English is here.
Broken bands is the fear of any Rolex wearer. Images like these certainly make the case for using NATO bands.
Click on images for larger versions.