Breitling
Colt A7438010.G598.428X— lug 20mm
Breitling Colt A7438010.G598.428X: 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 A7438010.G598.428XThe essential strap measurement.
Browse 20mm straps →A7438010.G598.428X
Breitling caliber Caliber B74 Hours, Minutes, Seconds | Date | Chronometer
The Heritage
Compatible Straps
Selected for the 20mm lug width of the Colt
FAQ
What is the lug width of the Breitling Colt A7438010.G598.428X?
The lug width of the Breitling Colt A7438010.G598.428X is 20 mm. This measurement is taken with a calliper between the two lugs at the point where the strap attaches, perpendicular to the case axis. A strap with a 20 mm attachment fits flush within the original Breitling lugs without lateral play.
What is the best strap for the Breitling Colt A7438010.G598.428X?
For the Breitling Colt A7438010.G598.428X, the most suitable materials are alligator leather for formal contexts, shell cordovan for those who value patina and long-term durability, and vegetable-tanned calf leather for intensive daily use. Ballistic nylon NATO straps are ideal for sporting use, in keeping with the aviation heritage of the Colt family. The attachment width must be 20 mm.
How do you change the strap on a Breitling Colt A7438010.G598.428X?
To replace the strap on the Breitling Colt A7438010.G598.428X, a spring bar tool or a 1 mm flat-head precision screwdriver is required. Insert the tool into the spring bar slot, compress it and slide the strap free from the lug. Care should be taken to avoid scratching the satin-finished case surfaces. The new 20 mm strap is fitted by engaging the spring bar into the lug holes.
Are there aftermarket straps compatible with the Breitling Colt A7438010.G598.428X?
Yes, all straps with a 20 mm attachment and standard length (115/75 mm or 120/80 mm) are compatible with the Breitling Colt A7438010.G598.428X. It is important to verify that the strap end profile is straight or slightly tapered to fit the curvature of the Breitling lugs. Casati Milano and milanostraps.it offer handcrafted straps selected for this specific compatibility.
How long does a leather strap last on a Breitling Colt A7438010.G598.428X?
The lifespan of a leather strap depends on leather quality, frequency of wear and exposure to perspiration and water. A quality vegetable-tanned calf strap lasts on average 2 to 4 years with daily use. Shell cordovan, owing to its dense fibre structure, can exceed 5 years. Conditioning with neutral wax every 3 to 4 months and rotating between straps significantly extends the life of the leather.