Historical Perspectives: The True And Sad Story Of J.B. Champion, Jr., The Man Behind The Most Expensive Watch Without Complications Ever Sold At Auction - Hodinkee
Vintage Wittnauer Electric JB Champion Bracelet sold on watchPool24
JB Champion Mesh bracelet – The Watch Collector
JB Champion (Jacoby Bender) Wirst Watch Bracelet – The Master of Speed
Komfit Forstner and JB Champion used by NASA for Astronauts Speedmasters
JB Champion Steel Mesh Nasa Watch Band for Omega Speedmaster - Etsy