Longines JB Champion Gold - Filled 1970s - Gisbert A. Joseph Watches
JB Champion Vintage Bracelet | WatchesToBuy.com
Komfit Forstner and JB Champion used by NASA for Astronauts Speedmasters
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