The Breitling Chronomat B01 Chronograph 44 AB0115101C1P1 is a powerful and precise instrument that captures the spirit of Breitling’s iconic 1980s design while delivering cutting-edge 21st-century performance, featuring a commanding 44mm stainless steel case with a robust 500-meter water resistance and a distinctive unidirectional rotating bezel for professional dive timing . At the heart of this exceptional timepiece beats the prestigious in-house Breitling Caliber B01, a COSC-certified chronometer movement renowned for its reliability, offering an impressive 70-hour power reserve and visible through a solid caseback, while the sophisticated blue “Blackeye” dial features a striking combination of blue with contrasting black chronograph sub-dials at 3, 6, and 9 o’clock for the 60-second, 30-minute, and 12-hour counters, complemented by luminous hands and index hour markers for perfect legibility . The watch includes a practical date window and tachymeter markings around the outer rim, all protected by a scratch-resistant convex sapphire crystal with anti-reflective treatment on both sides, and is secured by a luxurious blue alligator leather strap with a steel pin buckle . Introduced at BaselWorld 2018 as part of a comprehensive collection revamp, this Chronomat B01 Chronograph perfectly balances the needs of diving enthusiasts and watch connoisseurs alike, offering a timeless design that honors Breitling’s heritage while incorporating the technical sophistication that defines modern Swiss watchmaking . Key specifications: 44mm stainless steel case; blue “Blackeye” dial with black chronograph counters; in-house Breitling Caliber B01 automatic chronometer movement; 70-hour power reserve; blue alligator leather strap with steel buckle; 500m water resistance; screw-locked crown and pushers; sapphire crystal with anti-reflective coating.