Breitling
Chronomat 40 GMT A32398D51C1A1— lug 20mm
Breitling Chronomat 40 GMT A32398D51C1A1: 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 A32398D51C1A1The essential strap measurement.
Browse 20mm straps →A32398D51C1A1
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 A32398D51C1A1?
The lug width of the Breitling Chronomat 40 GMT A32398D51C1A1 is 20 mm. This is a standard measurement that ensures broad compatibility with quality aftermarket straps in leather, rubber, or NATO nylon.
What is the best strap for the Breitling Chronomat 40 GMT A32398D51C1A1?
The most suitable strap depends on the intended use. For formal or semi-formal occasions, a vegetable-tanned alligator strap with a matte finish complements the technical-elegant character of the Chronomat 40 GMT. For sport or travel, a NATO nylon strap or vulcanised rubber strap are functional choices that align with the model's aviation heritage.
How do you change the strap on the Breitling Chronomat 40 GMT A32398D51C1A1?
The strap is removed using a springbar tool to release the spring bars seated in the 20 mm lugs. It is advisable to place a soft cloth beneath the case to avoid scratching the stainless steel. If in doubt, entrust the operation to a watchmaker or to the Casati Milano atelier.
Are there aftermarket straps compatible with the Breitling Chronomat 40 GMT A32398D51C1A1?
Yes, any strap with a 20 mm attachment and straight or slightly tapered end is compatible. Milanostraps.it offers a curated selection of 20 mm straps in leather, rubber, and NATO weave designed for Breitling Chronomat models, with bespoke customisation available through the Casati Milano atelier.
How long does a leather strap last on a Breitling Chronomat 40 GMT?
The lifespan of a leather strap depends on the hide quality, the tanning method, and daily wear conditions. A high-quality alligator or shell cordovan strap, properly maintained — kept away from prolonged moisture and occasionally nourished with leather cream — can last between 2 and 5 years while developing an attractive patina. Casati Milano straps carry an 18-month warranty against manufacturing defects.