Breitling
Chronomat 40 GMT A32398B41C1A1— lug 20mm
Breitling Chronomat 40 GMT A32398B41C1A1: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.
Artisanal Note
"This model requires a precise 20mm lug width to preserve the original sartorial balance."
Technical Specifications
Breitling A32398B41C1A1The essential strap measurement.
Browse 20mm straps →A32398B41C1A1
Breitling caliber Caliber 32 Hours, Minutes, Seconds, Additional 24 Hour Hand (adjustable) | Date
The Heritage
Compatible Straps
Selected for the 20mm lug width of the Chronomat 40 GMT
FAQ
What is the lug width of the Breitling Chronomat 40 GMT A32398B41C1A1?
The lug width of the Breitling Chronomat 40 GMT A32398B41C1A1 is 20mm. This measurement is taken between the spring bars inside the case lugs and is the critical parameter for selecting a compatible strap.
What is the best strap for the Breitling Chronomat 40 GMT?
For the Chronomat 40 GMT, a vegetable-tanned alligator strap is the most refined choice for formal and travel contexts. Box calf leather suits sober daily wear, whilst vulcanised rubber is recommended for sporting use or high-humidity environments. A woven nylon NATO remains true to the model's original aeronautical character.
How do I change the strap on the Breitling Chronomat 40 GMT?
To replace the strap, remove the spring bars from the lugs using a fine-tipped springbar tool. The original Breitling spring bars are standard diameter and can be reused with quality aftermarket straps. It is advisable to work on a soft surface to avoid scratching the case or bezel.
Are there aftermarket straps compatible with the Chronomat 40 GMT A32398B41C1A1?
Yes. Any strap with a straight or gently curved 20mm end is compatible with the Chronomat 40 GMT A32398B41C1A1. Milanostraps.it offers a curated selection of handcrafted 20mm straps in leather, rubber, and nylon made specifically for this case profile.
How long does a leather strap last on a Breitling Chronomat 40 GMT?
Longevity depends on the material and care routine. A high-quality vegetable-tanned alligator strap, conditioned every 3–4 months and kept away from excessive moisture, can last over five years while retaining structural integrity and patina. Calf leather typically lasts 2–3 years with daily wear. Frequent exposure to water or perspiration significantly reduces the lifespan of any leather strap.