The eight colors of the Audemars Piguet x Swatch Royal Pop collection.Collaborations with artists and designers have turned Swatch watches from 1980s kids’ accessories into hot collectibles. The latest collaboration may be the biggest of all. Working with luxury watchmaker Audemars Piguet, Swatch launched the Royal Pop pocket watch, whose debut on May 16 drew crowds and chaos to stores around the world.Swatch announced the collaboration on May 13. The watch is named for Audemars Piguet&rsq