Breitling · AVI
Strap for Aviator 8 Automatic 41 Blacksteel / Middle East Limited Edition
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 M173154A1C1X2
Selected for the 21 mm lug width
The AVI M173154A1C1X2, seen from the bench
Frequently asked questions
What is the lug width of the Breitling AVI M173154A1C1X2?
The lug width of the Breitling AVI M173154A1C1X2 is 21mm. This is a non-standard measurement that requires dedicated straps. Always verify this specification before purchasing an aftermarket strap by measuring the internal distance between the two lugs with a precision calliper.
What is the best strap for the Breitling AVI M173154A1C1X2?
For the Breitling AVI M173154A1C1X2, the most coherent choices with the watch's instrumental identity are: vegetable-tanned calfskin for everyday smart wear, belly or hornback alligator for formal occasions, nylon NATO for functionality and aviatory character. Vulcanised rubber is recommended for intensive sporting use. A brushed steel deployant clasp completes any combination with a fine watchmaking finish.
How do you change the strap on the Breitling AVI M173154A1C1X2?
To replace the strap on the Breitling AVI M173154A1C1X2, a springbar tool is required — ideally a professional-grade or watchmaker's tool. Compress the springbar inside the lug, slide out the original strap and fit the new one, ensuring the springbars are correctly seated in both lug holes. The 21mm lug width requires springbars of the appropriate length, which are usually supplied with the strap.
Are there aftermarket straps compatible with the Breitling AVI M173154A1C1X2?
Yes, there are aftermarket straps compatible with the Breitling AVI M173154A1C1X2, provided they conform to the 21mm lug attachment width and feature an appropriate taper towards the buckle. Milanostraps.it offers a curated selection of handcrafted 21mm straps in various materials, finished to a sartorial standard and fully compatible with this reference.
How long does a leather strap last on a Breitling AVI M173154A1C1X2?
The lifespan of a leather strap depends on material quality, tanning method and frequency of wear. A high-quality vegetable-tanned calfskin strap, with regular conditioning (leather cream every 2–3 months), can last between 2 and 5 years while retaining its appearance and structural integrity. Premium alligator leather, due to the density of its grain, offers superior resistance. Prolonged exposure to perspiration and water will significantly reduce the useful life of any leather strap.
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

