Breitling
Chronomat 40 GMT A32398B31C1A1— lug 20mm
Breitling Chronomat 40 GMT A32398B31C1A1: 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 A32398B31C1A1The essential strap measurement.
Browse 20mm straps →A32398B31C1A1
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 A32398B31C1A1?
The lug width of the Breitling Chronomat 40 GMT A32398B31C1A1 is 20mm. This measurement is taken internally between the two lugs at the point where the strap meets the case, and it is compatible with any standard 20mm watch strap.
What is the best strap for the Breitling Chronomat 40 GMT?
For the Chronomat 40 GMT, a matte alligator strap with an 18mm brushed steel deployant clasp is the most coherent choice, matching the case's satin finish. A vegetable-tanned calfskin strap develops a distinctive patina over time, while vulcanised rubber is ideal for water-resistant or sporting use.
How do I change the strap on the Breitling Chronomat 40 GMT?
Use a fine-tipped spring bar tool inserted into the slot of the spring bar at the lug. Work on a soft surface to avoid scratching the case. Slide the spring bar out laterally, fit it through the new strap's keeper, and reinsert it into both lugs until it clicks securely into place.
Are there aftermarket straps compatible with the Chronomat 40 GMT A32398B31C1A1?
Yes. Any aftermarket strap with a 20mm lug width is compatible with the Chronomat 40 GMT A32398B31C1A1. Milano Straps offers a curated range of handcrafted 20mm straps in various leathers and finishes, designed to fit the specific geometry of Breitling lugs.
How long does a leather strap last on a Breitling Chronomat 40 GMT?
The lifespan of a leather strap depends on material quality and care. A quality alligator or calfskin strap, regularly treated with leather conditioner and kept away from prolonged exposure to water and perspiration, can last between three and six years with daily wear. Vegetable-tanned leathers improve in character over time as they develop a personal patina.