Breitling · AVI

Strap for Navitimer 8 Automatic Day & Date 41 Stainless Steel / Blue / Blue Calf / Pin

Takes 21 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width21 mm
Case diameter41 mm
ReferenceA45330101C1X3
FamilyAVI
MovementBreitling caliber Caliber 45 Hours, Minutes, Seconds | Date, Day | Chronometer
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

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

Straps for the AVI A45330101C1X3

Selected for the 21 mm lug width

All 21 mm straps →

The AVI A45330101C1X3, seen from the bench

The Breitling AVI ref. A45330101C1X3 is powered by the Breitling 45 automatic caliber with hour, minute, second, date and day of the week functions. The movement is chronometer certified to ensure precise time measurement. The watch has 21mm lug width for the strap.

Frequently asked questions

What is the lug width of the Breitling AVI A45330101C1X3?

The Breitling AVI A45330101C1X3 features a lug width of 21 mm. This specific measurement was chosen by Breitling to achieve a balanced visual proportion with the 41 mm case. To verify the measurement on your own piece, use a digital calliper placed inside the two lugs.

What is the best strap for the Breitling AVI A45330101C1X3?

For the Breitling AVI A45330101C1X3, the most suitable materials are vegetable-tanned calf leather in tobacco or cognac tones, which develops a vintage patina consistent with the model's aesthetic, black alligator for formal use, and nylon NATO for the original aviator character. The lug width is 21 mm.

How do you change the strap on the Breitling AVI A45330101C1X3?

The strap on the Breitling AVI A45330101C1X3 is replaced via standard 21 mm spring bars housed in the case lugs. Using a flat-head screwdriver or a dedicated springbar tool, compress the spring bars and slide out the strap. The operation takes approximately two minutes and requires no specialist equipment.

Are there aftermarket straps compatible with the Breitling AVI A45330101C1X3?

Yes. Any aftermarket strap with a 21 mm lug width and standard spring bars is compatible with the Breitling AVI A45330101C1X3. Milano Straps offers a selection of handcrafted straps in leather, alligator, shell cordovan and rubber in 21 mm, produced by Casati Milano atelier with sartorial finishing and hand stitching.

How long does a leather strap last on a Breitling AVI A45330101C1X3?

The lifespan of a leather strap depends on material quality and maintenance. A high-grade vegetable-tanned calf strap worn daily typically lasts between 18 and 36 months. A first-cut alligator strap can exceed 5 years if kept away from excessive moisture and treated periodically with a conditioner specific to exotic leathers. Casati Milano provides an 18-month guarantee 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