New Bullhead 225.12.43.50.01.001 Stee Case Black Dial Quartz Chronograph Mens Watch Leather Olympics Games Commemorative Edition Stopwatch From Puretimewatch, $108.81 | DHgate.Com
Taking the Bull by the Horns: A Guide to Vintage Bullhead Chronographs | WatchTime - USA's No.1 Watch Magazine
Red Star Bullhead Mechanical Chronograph with Blue Dial #8597G-1