Breitling · AVI
Strap for Navitimer 8 Super 8 B20 Automatic 46
Takes 23 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
The AVI AB2040101B1X1, seen from the bench
Frequently asked questions
What is the lug width of the Breitling AVI AB2040101B1X1?
The Breitling AVI AB2040101B1X1 features a lug width of 23mm. This is a proprietary measurement, not a standard size, requiring straps manufactured specifically for this width. Before purchasing an aftermarket strap, it is advisable to verify the measurement using a digital calliper inserted between the case lugs.
What is the best strap for the Breitling AVI AB2040101B1X1?
The most suitable straps for the Breitling AVI AB2040101B1X1 are military-grain matte calf leather, alligator with symmetrical belly scales, nylon NATO for a tool-watch aesthetic, or vulcanised rubber for sporting use. The choice depends on the context: a tobacco brown calf leather strap with visible stitching is the most coherent pairing with the model's aeronautical heritage.
How do you change the strap on a Breitling AVI AB2040101B1X1?
The strap on the Breitling AVI AB2040101B1X1 is removed using a fine-tipped spring bar tool inserted into the lateral notch of the spring bar between the lug and the strap. Gentle pressure retracts the spring bar and releases the strap. The new 23mm strap is fitted by positioning the spring bar in the strap hole and compressing it until it clicks into the opposite lug. This can be done independently with the appropriate tools.
Is there an aftermarket strap compatible with the Breitling AVI AB2040101B1X1?
Yes. Milanostraps.it offers handcrafted aftermarket straps with a 23mm lug width, compatible with the Breitling AVI AB2040101B1X1. Straps are available bespoke or in standard sizes with shaped ends for a clean fit between the original lugs. A range of materials, finishes and buckle options are available, including a brushed steel deployant clasp.
How long does a leather strap last on a Breitling AVI AB2040101B1X1?
The lifespan of a leather strap on a Breitling AVI AB2040101B1X1 depends on leather quality, frequency of wear and maintenance. A quality vegetable-tanned strap, nourished with leather cream and kept away from prolonged water exposure, can last between 3 and 5 years with regular daily use. Watch-grade alligator straps typically offer greater longevity due to the density of the hide fibre. 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
