Breitling · AVI

Strap for Aviator 8 B01 Chronograph 43 Stainless Steel / Anthracite / Croco / Pin

Takes 23 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width23 mm
Case diameter43 mm
ReferenceAB0119131B1P1
FamilyAVI
MovementBreitling caliber Caliber B01 Hours, Minutes, Small Seconds | Date | Chronograph, Column wheel | Chronometer
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

The AVI AB0119131B1P1, seen from the bench

The AVI represents the modern reinterpretation of Breitling's aviator collection, characterized by a design inspired by aircraft instruments. It features the in-house manufactured B01 automatic calibre with column-wheel chronograph function and chronometer certification. The lugs measure 23mm in width.

Frequently asked questions

What is the lug width of the Breitling AVI AB0119131B1P1?

The Breitling AVI AB0119131B1P1 features a 23mm lug width, a non-standard dimension deliberately chosen by Breitling to balance the visual proportions of the 43mm case. It is essential to verify this measurement with a digital calliper before purchasing an aftermarket strap, as it is not interchangeable with the standard 22mm or 24mm sizes.

What is the best strap for the Breitling AVI AB0119131B1P1?

The most suitable materials for the Breitling AVI AB0119131B1P1 are vegetable-tanned calf leather in havana or cognac tones, which enhances its vintage character by developing a personal patina over time, and matte alligator for a more formal register. A heavy-duty olive drab nylon NATO is ideal for dynamic use, while vulcanised rubber is the technical choice for intensive sporting contexts.

How do you change the strap on the Breitling AVI AB0119131B1P1?

To replace the strap on the Breitling AVI AB0119131B1P1, a fine-tipped springbar tool is required. Insert the tip into the slot between the lug and the strap, compress the springbar and slide the strap outward. The operation requires care to avoid scratching the case surfaces; if in doubt, it is advisable to consult a watchmaker or specialist atelier.

Are there aftermarket straps compatible with the Breitling AVI AB0119131B1P1?

Yes, aftermarket straps compatible with the Breitling AVI AB0119131B1P1 are available, provided they conform to the 23mm lug width. Casati Milano crafts bespoke straps for this specific dimension in calf leather, alligator or other fine materials, fitted with a steel buckle or deployant clasp. Options are available online or can be fully customised at the Milanese atelier.

How long does a leather strap for the Breitling AVI AB0119131B1P1 last?

The longevity of a leather strap for the Breitling AVI AB0119131B1P1 depends on the quality of the tanning process and daily use. A high-quality vegetable-tanned calf strap, with regular use and proper care (conditioning cream, drying away from heat sources), can last between two and four years. Premium alligator straps, when properly maintained, frequently exceed four to five years while retaining structural and aesthetic integrity.

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.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only