John Mayer’s been pretty quiet on the music charts for the last couple of years, but his latest release is making waves in the sartorial sphere. Mayer unveiled a Casio G-SHOCK collaboration with the watch site HODINKEE this week, which quickly sold out in under eight minutes, according to a rep (as of this writing, it’s still available on re-sale sites like StockX here).

The Casio G-SHOCK Ref 6900 was designed in collaboration with Mayer, and inspired by a Casiotone SK-5 sampling keyboard that the singer played as a child. According to press materials, the Casiotone SK-5 was “instrumental in Mayer’s musical education, and acts as the design catalyst for this timepiece.

” Mayer says the timing for the collaboration couldn’t have been more perfect. “I had already been pretty deep into wearing the [Casio] ‘Mudmaster’ models, and something felt cosmically right about a G-SHOCK being the first watch collab I’ve ever done,” he says in a release. “Casio keyboards came to mind as much as the watches did.