Breguet Type XXII 3880ST/H2/SXO

Breguet Transatlantique Type XXII Flyback Chronograph 44mm Stainless Steel Case Black Leather Strap Black Dial Watch 3880-STH-23X Chronograph Type XXII 10 Hz in steel.Self-winding movement with flyback function. High-frequency silicon escapement. Breguet balance-wheel with regulating screws, silicon balance-spring.
The chronograph movement with silicon escapement and flat balance spring whose frequency has been raised to 10 Hertz (i.e. 72,000 vibrations per hour), endowing the movement with exceptional regulating power. At the heart of this technical exploit is the use of silicon, resulting in more lightweight mobile components and the avoidance of the lubrication problems generated by high frequencies.

Specifications