Breitling, Mechanical Chronograph series, model: AB0110U5 / A727, men's automatic mechanical watch, Pilot stainless steel bracelet - equipped with the classic self-produced b01 movement. Mechanical chronograph and aviation chronograph n01 are both Breitling's signature works. 44mm in diameter, the B01 movement is stable and reliable, with an ultra-rare high-end custom double mother-of-pearl dial! Blue eyes! Limited to 300 pieces worldwide! Complete set.