While the new Casio G-SHOCK Ref. 6900-PT80 by John Mayer has sold out, you can still find similar watches and dupes available to buy online.
John Mayer Wants His G-Shock Collaborations to Help Democratize Watch Collecting
Hands On John Mayer x HODINKEE x G-SHOCK 6900-PT1 By John Mayer DW6900JM22-2CR CASIO Limited Edition
John Mayer G Shock 2024
John Mayer and Hodinkee Have Created a Special G-Shock Watch
Hodinkee and John Mayer team up for another limited edition G-Shock
Casio G-SHOCK Ref. 6900 by John Mayer
Hodinkee x G SHOCK x Online Ceramics Collab Info
John Mayer Watches - Amazing Collection Indeed – IFL Watches
John Mayer X Hodinkee Casio G-Shock