This /unworn Breitling Avenger B01 Chronograph 42 ref. AB0146101B1A1 is built for precision and durability, featuring a robust 42mm stainless steel case with a screw-down sapphire caseback and a unidirectional ratcheted bezel. The black dial houses a high-performance Breitling 01 self-winding movement, delivering a 70-hour power reserve and a chronograph function with 1/4th second, 30-minute, and 12-hour counters. Engineered for adventure, it boasts 300-meter water resistance, a screw-locked crown with dual gaskets, and a glareproofed sapphire crystal. Completing the design is a stainless steel bracelet, ensuring a perfect balance of strength and sophistication.