Ref. 6900-PT80 By John Mayer – HODINKEE Shop,G-Shock x Hodinkee John Mayer Ref. 6900-PT1,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. 🤍,Casio G-Shock X Hodinkee X John Mayer Ref. 6900 | Hands-On Review,Sold Out! Again! The New John Mayer X Hodinkee X G-Shock 6900-PT80