The Breitling Chronomat B01 42 is one of the strongest modern interpretations of Breitling’s classic sport chronograph design. Its 42 mm stainless steel case, signature Rouleaux bracelet, and silver “panda-style” dial give the watch a bold but refined appearance that works equally well with casual clothing or a tailored jacket. The rider-tab bezel instantly connects the model to the historic Chronomat lineage that helped define Breitling during the 1980s revival of mechanical chronographs.
Inside the watch is Breitling’s in-house Manufacture Caliber 01 automatic movement, a COSC-certified chronometer with approximately 70 hours of power reserve and a column-wheel chronograph architecture. Enthusiasts often praise the B01 because it combines reliability with smooth chronograph operation and strong long-term serviceability. The movement beats at 28,800 vibrations per hour, uses 47 jewels, and is visible through the sapphire caseback, reinforcing the technical appeal of the model.
What makes the Breitling Chronomat AB0158101G1A1 especially attractive is its balance between luxury and sport functionality. With 200 meters of water resistance, a screw-down crown, sapphire crystal, and robust stainless steel construction, it offers the versatility expected from a modern high-end chronograph. The watch stands out through its refined silver dial, iconic Rouleaux bracelet, and the impressive Breitling Manufacture Caliber 01 movement, creating a timepiece that feels both elegant and unmistakably sporty.
Style Number: AB0158101G1A1
Collection: Chronomat
Metals/Materials: Stainless steel
Glass: Cambered sapphire crystal, glareproofed both sides
Dial: White
Bezel: Stainless steel
Numbers: Indexes
Case Measurement: 42 mm
Case Back: Screwed in, transparent
Water Resistance: 200 m (660 ft)
Movement Type: Automatic Chronograph
Movement Model: Breitling Manufacture Caliber 01
Calibre: Breitling 01
Power Reserve: 70 hours
Type of Band: Stainless steel Rouleaux
Type of Clasp: Folding clasp
Gender: Male
Day/Date Display: Date
Functions: Hours, Minutes, Seconds, Chronograph, Date
International Warranty
Your Breitling watch or chronograph is warranted against any manufacturing defect in accordance with these terms and conditions (“Breitling International Warranty”) and the International Warranty section of the General Conditions of Sale from the date of purchase of the watch (“Warranty Period”).
For details on terms of Breitling Complementary Extended Warranty, please refer to Breitling's T&Cs document.
Breitling Movements - 2 Years
Your Breitling watch or chronograph equipped with a non-Breitling mechanical movement is warranted against any manufacturing defect for a period of two years (“Breitling International Warranty”) from the date of purchase of the watch (“Warranty Period”) in accordance with these terms and conditions.
Mechanical Manufacture Breitling Movements - 5 Years
Watches or chronographs equipped with a Breitling Manufacture mechanical movement are covered by the Breitling International Warranty with an extended warranty period of 5 (five) years (“Breitling International Manufacture Movement Warranty”). The Breitling International Manufacture Movement Warranty covers any manufacturing defect in the Breitling mechanical movement, provided that water-resistance tests are carried out every two years from the date of purchase.
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