Breitling · AVI
Strap for Navitimer 8 Automatic Day & Date 41 Stainless Steel / Blue / Blue Calf / Folding
Takes 21 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the AVI A45330101C1X5
Selected for the 21 mm lug width
The AVI A45330101C1X5, seen from the bench
Frequently asked questions
What is the lug width of the Breitling AVI A45330101C1X5?
The Breitling AVI A45330101C1X5 features a lug width of 21mm, a non-standard measurement that reflects Breitling's distinctive design approach. For an accurate strap replacement, it is essential to measure the gap between the lugs with a digital calliper at the actual attachment point, not at the outer edge of the case.
What is the best strap for the Breitling AVI A45330101C1X5?
For the Breitling AVI A45330101C1X5, hornback alligator straps are recommended for an elegant yet instrumental aesthetic, vegetable-tanned calf leather for everyday wear and patina development, or NATO nylon to honour the watch's original aviation heritage. A stainless steel deployant clasp is preferable to a standard buckle to preserve the leather strap over time.
How do you change the strap on a Breitling AVI A45330101C1X5?
To remove the strap from the Breitling AVI A45330101C1X5, a fine-tipped spring bar tool is required. Insert the tool into the gap between the lug and the strap end, compress the spring bar, and slide the strap free. Proceed with care to avoid scratching the stainless steel lugs. If in doubt, it is advisable to entrust the operation to a watchmaker or the Casati Milano atelier.
Are there aftermarket straps compatible with the Breitling AVI A45330101C1X5?
Yes, high-quality aftermarket straps are available for the Breitling AVI A45330101C1X5, provided they are produced to the exact 21mm lug width with appropriately shaped or straight ends. Milanostraps.it offers a curated selection of handcrafted 21mm straps compatible with the AVI case, available in a variety of materials and finishes.
How long does a leather strap last on a Breitling AVI?
The lifespan of a leather strap depends on the material and maintenance. A well-maintained vegetable-tanned calf leather strap typically lasts 2–4 years with daily use; a quality alligator strap can exceed 5 years. Regular exposure to water and perspiration accelerates deterioration: allow the strap to dry after intensive use and apply a natural leather conditioner periodically. Casati Milano straps carry an 18-month warranty against manufacturing defects.
The next step
The right strap isn't chosen. It is built, together.
From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.
Request an appointment →Casati Milano · Via XX Settembre 15, Milan · by appointment only

