Balance Regulating Tool / Balance Wheel Timing Tool for Blancpain / Breguet 1150 / 1151

A precision balance regulating tool designed for Blancpain and Breguet 1150-family movements, including calibers 1151, 1150, 6654, and 777Q. This Microstella balance-screw regulator enables accurate timing adjustments on your high-complications timepiece. Essential for watchmakers and service professionals working with these premium Swiss movements. Marking Brand / family Caliber 1150 Blancpain Blancpain cal. 1150 1151 Blancpain Blancpain cal. 1151 6654 Breguet Breguet cal. 6654 777Q Breguet Breguet cal. 777Q