Product Overview
The Breitling Navitimer 1 Chronograph Automatic Chronometer AB0121211G1A1 stands as a testament to over six decades of aviation-inspired watchmaking. Rooted in the iconic Navitimer legacy, this men’s watch blends technical precision with timeless design, making it a trusted companion for pilots, travelers, and watch enthusiasts alike. At its core lies the in-house Breitling Manufacture Caliber B01—a self-winding chronograph movement officially certified by the Contrôle Officiel Suisse des Chronomètres (COSC) as a chronometer. This certification ensures exceptional accuracy and reliability, meeting stringent standards for timekeeping performance under real-world conditions.
Housed in a 43mm stainless steel case, the watch strikes a balance between presence and wearability. The substantial diameter delivers a commanding look on the wrist, while the refined proportions allow for comfortable daily use across a range of activities. The clean silver dial enhances legibility with bold hour markers and luminescent hands, ensuring clear time reading even in low-light environments. As a functional aviation instrument, it goes beyond mere time display—equipped with features that support practical calculations essential for flight operations.


Key Features
- Automatic Chronometer Movement: The heart of this timepiece is the Breitling Manufacture Caliber B01, a self-winding mechanical movement developed and produced entirely in-house. Officially certified as a chronometer by COSC, it delivers outstanding precision and long-term reliability. The movement features a column-wheel chronograph mechanism and offers approximately 70 hours of power reserve, ensuring consistent performance whether worn daily or intermittently.
- 43mm Stainless Steel Case: Crafted from high-grade stainless steel, the 43mm case provides durability without compromising comfort. Its polished and brushed finishes highlight the attention to detail typical of Swiss craftsmanship, while the size remains versatile enough for both professional and casual wear.
- Silver Dial with Chronograph Function: The silver dial features three subdials positioned at 3, 6, and 9 o’clock, displaying 30-minute, 12-hour, and continuous seconds counters respectively. This layout allows for precise measurement of elapsed time, a critical function for pilots and professionals who rely on accurate timing. The applied hour markers and baton-style hands are treated with luminescent material for visibility in dark conditions.
- Navitimer Bezel with Slide Rule: One of the most recognizable elements of the Navitimer collection, the bidirectional rotating bezel includes a circular slide rule—a functional tool that enables users to perform essential aviation calculations. Pilots can use it to determine fuel consumption, climb and descent rates, airspeed, and distance conversions, all without additional instruments.
- Sapphire Crystal: The front crystal is made of scratch-resistant sapphire, offering superior protection against impacts and daily wear. Its anti-reflective coating enhances dial clarity, ensuring the display remains easy to read from various angles and lighting conditions.
- Stainless Steel Bracelet: The integrated three-link stainless steel bracelet is both robust and refined, featuring a secure folding clasp for a comfortable and adjustable fit. Its brushed and polished links complement the case design, contributing to the watch’s cohesive and professional appearance.
Technical Specifications
- Model Number: AB0121211G1A1
- Department: Men
- Manufacturer: Breitling
- Date First Available: June 21, 2019
- ASIN: B07TLF4M97
- Package Dimensions: 5.43 x 4.53 x 4.21 inches
- Item Weight: 1.08 pounds
- Discontinued by Manufacturer: No
Benefits & Use Cases
Designed for those who value both form and function, the Navitimer 1 B01 serves multiple roles with equal proficiency. Aviation professionals appreciate the slide rule bezel as a reliable in-flight calculation tool, eliminating the need for external devices. The chronograph function supports precise timing for sports, travel, or work-related tasks, while the automatic movement ensures consistent operation without battery replacements. Its Swiss-made construction and COSC certification reflect a commitment to quality and long-term performance.
The 43mm stainless steel case and bracelet make it suitable for everyday wear, pairing seamlessly with business attire, pilot uniforms, or casual outfits. Whether used as a functional instrument or a luxury accessory, this watch embodies Breitling’s legacy of precision and innovation. It appeals to collectors, pilots, and anyone seeking a timepiece that combines heritage, utility, and enduring style.
Important Notes
This product is not discontinued and remains available through authorized retailers. For detailed warranty coverage, customers should consult the official warranty information provided by Breitling. To maintain optimal performance, avoid exposure to strong magnetic fields, extreme temperatures, and physical impacts. Regular servicing by certified Breitling technicians is recommended to preserve the movement’s accuracy and extend the watch’s lifespan. The item ships in a standard Breitling presentation box measuring 5.43 x 4.53 x 4.21 inches and weighs 1.08 pounds.