Breitling
Chronomat 40 GMT A32398C81O1A1— lug 20mm
Breitling Chronomat 40 GMT A32398C81O1A1: 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 A32398C81O1A1The essential strap measurement.
Browse 20mm straps →A32398C81O1A1
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 A32398C81O1A1?
The lug width of the Breitling Chronomat 40 GMT (ref. A32398C81O1A1) is 20 mm. This measurement refers to the internal distance between the two lugs and is the essential parameter for selecting a compatible strap, whether original or aftermarket.
What is the best strap for the Breitling Chronomat 40 GMT?
The ideal choice depends on intended use and aesthetic preference. For formal occasions, an alligator strap with a matte finish and deployant clasp complements the case construction superbly. For everyday wear, vegetable-tanned calfskin develops a distinctive patina over time. A heavy nylon NATO strap is the preferred option for those seeking lightness and consistency with the model's aeronautical heritage.
How do you change the strap on a Breitling Chronomat 40 GMT?
The strap is removed using a fine-tipped spring bar tool. Apply gentle pressure to the end of the spring bar until it disengages from the lug, then repeat on the opposite side. Fitting the new strap is the reverse process: insert one end of the spring bar into the lug, compress, and engage the other side. Dedicated tools are strongly recommended to avoid scratching the case.
Are there aftermarket straps compatible with the Breitling Chronomat 40 GMT A32398C81O1A1?
Yes. Any strap with a 20 mm lug width is technically compatible with the Chronomat 40 GMT. Milanostraps.it offers a curated selection of handcrafted straps in leather, alligator, shell cordovan and NATO textile, all manufactured to be compatible with the standard Breitling 20 mm spring bars.
How long does a leather strap last on a Breitling Chronomat 40 GMT?
Longevity depends on leather quality, maintenance and frequency of use. A quality vegetable-tanned calfskin strap worn daily typically lasts between 18 and 36 months. Shell cordovan and alligator, owing to their denser fibre structure, offer greater durability. The use of a deployant clasp significantly reduces stress on the leather and extends strap life considerably.