Komfit Forstner and JB Champion used by NASA for Astronauts Speedmasters
Jacoby Bender Champion mesh band on 321 Speedmaster thread | WatchUSeek Watch Forums
omegaforums: Vintage Omega Speedmaster Professional Moonwatch With NASA JB-Champion Bracelet Circa 1960s | Omega speedmaster, Watches for men, Vintage omega
Vintage Rare JB Champion Moon Nasa Mesh 19mm Watch Bracelet Band Made USA Repair | eBay
JB Champion (Jacoby Bender) Wirst Watch Bracelet – The Master of Speed