Casio G-SHOCK Ref. 6900 by John Mayer | HODINKEE,G-SHOCK Ref. 6900 By John Mayer,G-Shock 6900-PT80 John Mayer x Hodinkee - Review - Hype or Value?,Introducing the Casio G-Shock Ref. 6900-PT80, a watch I designed in collaboration with @hodinkee and @gshock_us. Update: sold out. Thank you for your support and enthusiasm. I'm blown away. 🤍,THE GRAND FINALE! | G-SHOCK x JOHN MAYER x HODINKEE! | Ref. 6900-PT1!,