Casio G-SHOCK Ref. 6900 by John Mayer | HODINKEE,G-SHOCK Ref. 6900-PT1 By John Mayer,G-SHOCK Ref. 6900-PT1 By John Mayer,G-SHOCK Ref. 6900 By John Mayer,Introducing the G-Shock Ref. 6900-PT1. Available now in the Hodinkee Shop. Link in bio. *update* now sold out… thank you to everyone who picked one up. You've made this project so much