The Breitling Chronomat B01 42, reference UB0134101B1S1, is a masterfully engineered timepiece that captures the essence of sporty elegance and mechanical excellence. Combining high-performance functionality with luxurious materials, this watch is built for those who demand reliability and refined style in equal measure.
Bold Anthracite Dial with Chronograph Functionality
The watch UB0134101B1S1 features a sophisticated anthracite dial, complemented by three black sub-dials that display the 1/4th second chronograph, 30-minute counter, and 12-hour totalizer. The contrast enhances legibility, while luminescent hands and applied markers ensure optimal readability in all lighting conditions.
Stunning 42mm Stainless Steel and 18k Red Gold Case
Measuring 42mm in diameter, the case blends polished stainless steel and 18k red gold to create a striking two-tone aesthetic. The unidirectional ratcheted bezel, also made of red gold, not only enhances visual appeal but also provides reliable time-tracking capability for diving and everyday use. The screw-locked crown and chronograph pushers add durability and water resistance.
Breitling Caliber 01: In-House Mechanical Movement UB0134101B1S1
Powering the Chronomat is the Breitling Caliber 01, an in-house self-winding mechanical chronograph movement. This COSC-certified chronometer delivers precision performance, with an impressive 70-hour power reserve and operating at 28,800 vibrations per hour. With 47 jewels and a sapphire crystal caseback, the movement is as beautiful as it is functional.
Comfortable Black Rubber Strap
The watch UB0134101B1S1 is paired with a black rubber strap, engineered for durability, comfort, and sporty aesthetics. It complements the two-tone case perfectly and ensures a secure fit with a deployment clasp, making it ideal for both active lifestyles and refined occasions.
Water Resistance and Crystal Protection
Built for adventure, this timepiece is water-resistant up to 200 meters (660 feet), making it suitable for swimming and snorkeling. The cambered sapphire crystal is glareproofed on both sides, protecting the dial and offering crystal-clear visibility under any light conditions.
Key Features
- Reference: UB0134101B1S1
- Movement: Breitling Manufacture Caliber 01 (automatic, COSC-certified)
- Case: 42mm stainless steel and 18k red gold
- Dial: Anthracite with three black chronograph sub-dials and date window
- Bezel: 18k red gold, unidirectional ratcheted
- Strap: Black rubber with folding clasp
- Water Resistance: 200m (660ft)
- Power Reserve: Approx. 70 hours
Conclusion
The Breitling Chronomat B01 42 UB0134101B1S1 is the ultimate expression of technical mastery and sophisticated style. With its luxurious materials, in-house mechanical movement, and bold aesthetic, this watch is designed for those who appreciate enduring craftsmanship and confident elegance in every detail.

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