M.Z. Berger produced a set of Muppet watches in 2011 as an exclusive for retailer JC Penney, as a tie-in with the release of The Muppets.
Kermit the Frog expansion band watch
Miss Piggy expansion band watch
A further set was produced in 2012, in general release.
M.Z. Berger also produced an LCD digital watch with a case that changes color.