Breitling Pult Bullhead reference 2117 is powered by caliber 11, and notably has the crown located at 6 o’clock. Whereas the watch (shown) is a reference 7101 Pult with a Valjoux 7740 powering with the crown located at 12 o’clock. The is a reference 7101 Breitling Pult Chronograph from 1974, powered by a Valjoux caliber…