Breitling
Chronomat 40 GMT A32398E11C1A1— lug 20mm
Breitling Chronomat 40 GMT A32398E11C1A1: 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 A32398E11C1A1The essential strap measurement.
Browse 20mm straps →A32398E11C1A1
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 A32398E11C1A1?
The lug width of the Breitling Chronomat 40 GMT A32398E11C1A1 is 20mm. This measurement should be taken with a calliper positioned perpendicularly across the lugs, not following their curved profile. Any strap with a 20mm attachment is compatible, provided it accounts for the slightly curved lug shape of the case.
What is the best strap for the Breitling Chronomat 40 GMT A32398E11C1A1?
For the Chronomat 40 GMT in stainless steel, hornback alligator in vegetable-tanned leather is the most aesthetically coherent choice: the central scales echo the texture of the structured dial. Matte Box calf offers formal restraint, while vulcanised rubber is recommended for sport and water use. A stainless steel deployant clasp at 20mm completes the professional pairing.
How do you change the strap on a Breitling Chronomat 40 GMT?
The strap is removed using a flat-tipped spring bar tool inserted into the side hole of the lugs. The spring bars are standard 20mm width. Care should be taken to avoid scratching the steel lugs: protecting the case with watchmaker's tape during the operation is strongly advised.
Are there aftermarket straps compatible with the Breitling Chronomat 40 GMT A32398E11C1A1?
Yes. Any strap with a 20mm attachment and standard spring bars is compatible with the Chronomat 40 GMT. Milano Straps offers a curated selection of handcrafted 20mm straps by Casati Milano in various materials and finishes, with options for custom length, colour, and buckle type. The lug curve is worth considering: straps with slightly tapered or flexible ends adapt best to the case profile.
How long does a leather strap last on a Breitling Chronomat 40 GMT?
Durability depends on the material and usage habits. A quality alligator strap, properly conditioned and kept away from water and excessive perspiration, typically lasts 3 to 5 years with regular wear. Box calf has a similar lifespan but is more sensitive to moisture. Casati Milano straps carry an 18-month warranty against manufacturing defects. To maximise longevity, rotating between multiple straps and storing them away from direct light is recommended.