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Power, precision, and timeless elegance. The Breitling Chronomat B31 Automatic 40 stands out with its crisp green dial, iconic stainless steel Rouleaux bracelet, and perfectly balanced proportions. Powered by the new COSC-certified Breitling Manufacture Caliber B31, it delivers an impressive 78-hour power reserve and 200 meters of water resistance for reliable performance in every situation.
The Breitling Chronomat Legacy
Introduced in 1984 to celebrate Breitling’s centenary, the Chronomat holds a special place in the brand’s modern history. Inspired by the Frecce Tricolori chronograph developed for the renowned Italian aerobatic team, it has become a symbol of versatility, combining robustness, performance, and elegance. Designed as a true all-purpose sports watch, the Chronomat continues to embody Breitling’s commitment to precision and adventure.
A Bright Green Dial and Distinctive Design
This Breitling Chronomat B31 Automatic 40 features a crisp green dial that combines excellent legibility with refined aesthetics. Its 40 mm stainless steel case is paired with the collection’s iconic integrated Rouleaux bracelet, creating a distinctive and instantly recognizable silhouette. A sapphire crystal and 200-meter water resistance further enhance its sporty credentials while ensuring everyday durability.
The Breitling Manufacture Caliber B31
Powering this timepiece is the Breitling Manufacture Caliber B31, a self-winding mechanical movement certified by the COSC. Introduced in 2025, it delivers an impressive power reserve of approximately 78 hours and operates at a frequency of 28,800 vibrations per hour. Featuring a date display and engineered for long-term reliability, the B31 reflects Breitling’s dedication to precision watchmaking and technical excellence.
Specifications
Water Resistant
200 m
Watch movement
In house automatic movement
Diameter
40 mm
Matière
Stainless steel
Power reserve
78 hours
Strap - Bracelet
Steel
-
Brand
- Breitling
-
Reference
- AB3114101L1A1
-
Condition
- New
-
Country of manufacture
- Switzerland
-
Warranty
All of our watches and jewelry are covered by an effective warranty for a minimum of two years. This can be extended depending on the brands and products purchased on our site. For any question concerning the conditions relating to our guarantees: hello@lepage.fr
- 2 years
-
Brand Collection
- Chronomat - Breitling
-
Launch year
- 2026
-
Gender
- Man
-
Must-Have / Essentials
- New
-
Case material
- Stainless steel
-
Water Resistant
- 200 m
-
Diameter
- 40 mm
-
Crystal
- Breaks and scratches with difficulty, anti reflective treatment on both sides, Sapphire crystal
-
Watch movement
- In house automatic movement
-
Movement model
- Breitling B31
-
Power reserve
- 78 hours
-
Strap materials
- Steel
-
Buckle
- Deployant clasp
- Case shape
- Round
- Case material
- Stainless steel
- Lugs
- Stainless steel
- Water Resistant
- 200 m
- Diameter
- 40 mm
- Case Thickness
- 10,9 mm
- Lug Width
- 20 mm
- Case features
- Transparent case back, Fond verre saphir
- Crown
- 3 o'clock
- Crystal
- Breaks and scratches with difficulty, anti reflective treatment on both sides, Sapphire crystal
- Bezel
- Graduated bezel, Unidirectional, Rotatable
- Bezel color
- Grey
- Bezel / Insert material
- Steel
- Dial
- Sand blasted, Brush
- Dial color
- Green
- Marker
- Stick pointer
- Display
- Analog, Big date
- Lume
- Super-LumiNova
- Hands
- Stick-shaped hands
- Watch movement
- In house automatic movement
- Movement model
- Breitling B31
- Balance frequency
- 28 800 Vibrations per hour (VpH) (4 Hz)
- Stones
- 21 rubis
- Functions/complications
- Date, GMT
- Complications/functions
- Date, Hours Minutes Seconds
- Power reserve
- 78 hours
- Movement certification
- Officially Certified Chronometer (COSC)
- Strap materials
- Steel
- Strap finish
- "Rouleaux" mesh
- Strap color
- Steel
- Buckle
- Deployant clasp with push-buttons
Lepage is an official BREITLING reseller


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