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Breitling · AVI

Strap for Aviator 8 B01 Chronograph 43 Stainless Steel / Mosquito / Calf / Pin

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

Lug width

23mm
23 mm strapsAll Breitling
Lug width23 mm
Case diameter43 mm
ReferenceAB01194A1B1X1
FamilyAVI
MovementBreitling caliber B01 hours, minutes, small seconds | date | Chronograph, column wheel | chronometer
Year2019
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

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

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The AVI AB01194A1B1X1, seen from the bench

The Breitling Aviator 8 B01 Chronograph model AB01194A1B1X1 features a 43 mm stainless steel case with an asymmetrical design and integrated crown guard, inspired by 1950s RAF cockpit chronographs. The internal B01 COSC-certified automatic movement includes a column wheel chronograph, hours, minutes, small seconds, and date. The distinctive 23 mm lug width is derived from vintage 1950s geometry, directly compatible with Milano Straps' full 23 mm strap selection.

Frequently asked questions

What is the lug width of the Breitling AVI AB01194A1B1X1?

The Breitling AVI AB01194A1B1X1 features a lug width of 23mm. This is an uncommon measurement in the modern sports chronograph market, derived directly from the vintage 1950s case geometry that inspired the model. To confirm the measurement, it is advisable to use a digital calliper to measure the internal distance between the two lugs at the point where they meet the case.

What is the best strap for the Breitling AVI AB01194A1B1X1?

For the Breitling AVI AB01194A1B1X1, the most suitable materials are: large-grain alligator in olive or cognac tones to complement the bronze dial; natural shell cordovan that develops a warm patina over time; vegetable-tanned Tuscan calf leather for everyday use; NATO nylon or vulcanised rubber straps to maintain coherence with the aeronautical heritage. The 23mm lug width requires a specific selection of compatible straps.

How do you change the strap on the Breitling AVI AB01194A1B1X1?

To replace the strap on the Breitling AVI AB01194A1B1X1, a springbar tool is required to remove the spring bars from the lugs. It is recommended to work on a soft surface to protect the case and crystal. Alternatively, the operation can be carried out by a watchmaker or at the Casati Milano atelier during the bespoke strap fitting service.

Are there aftermarket straps compatible with the Breitling AVI AB01194A1B1X1?

Yes, there are artisan aftermarket straps compatible with the Breitling AVI AB01194A1B1X1, provided they have a 23mm lug width. Milano Straps offers a selection of 23mm straps handcrafted in Italy, in materials including alligator, shell cordovan, vegetable-tanned calf leather and NATO nylon. These straps are produced with shaped ends to fit the specific geometry of the AVI case.

How long does a leather strap last on a Breitling AVI AB01194A1B1X1?

The lifespan of a leather strap depends on the material and usage. A quality vegetable-tanned calf strap has an average lifespan of 18 to 36 months with regular use. Shell cordovan, thanks to the density of its fibres, can exceed 3 to 5 years while developing a distinguished patina. Vegetable-tanned alligator has a similar lifespan if protected from excessive moisture. Milano Straps 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.

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