Breitling · AVI

Strap for Classic AVI Chronograph Mosquito / Bracelet

Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width22 mm
Case diameter42 mm
ReferenceY233801A1B1A1
FamilyAVI
MovementBreitling caliber 23 ND hours, minutes, small seconds | Chronograph
Year2023
CaseCeramic, Stainless 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 Y233801A1B1A1

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The AVI Y233801A1B1A1, seen from the bench

The Breitling AVI reference Y233801A1B1A1 is equipped with the automatic Breitling 23 caliber with chronograph, hour, minute and small seconds functions. The watch features 22mm lugs for the strap. This is a chronograph from the AVI collection dedicated to aviation.

Frequently asked questions

What is the lug width of the Breitling AVI Y233801A1B1A1?

The lug width of the Breitling AVI Y233801A1B1A1 is 22mm. This measurement refers to the internal distance between the case lugs and is essential for selecting a compatible strap. Before purchasing an aftermarket strap, it is advisable to verify the measurement directly on the watch using a digital calliper.

What is the best strap for the Breitling AVI Y233801A1B1A1?

For the Breitling AVI Y233801A1B1A1, a flat-belly alligator strap in tobacco or cognac tones provides a formally refined pairing. For more active use, vegetable-tanned calf leather or a vulcanised rubber strap are technically coherent choices that honour the model's aeronautical character. A brushed steel deployant clasp is the optimal fastening for any leather option.

How do you change the strap on a Breitling AVI Y233801A1B1A1?

To change the strap on the Breitling AVI Y233801A1B1A1, a spring bar tool is required to release the spring bars connecting the strap to the lugs. Care must be taken not to scratch the ceramic case: it is recommended to protect the lug area with masking tape before proceeding. If in doubt, the operation should be entrusted to a watchmaker or specialist atelier.

Are there aftermarket straps compatible with the Breitling AVI Y233801A1B1A1?

Yes, any strap with a 22mm attachment width is compatible with the Breitling AVI Y233801A1B1A1. Milanostraps.it offers an extensive selection of handcrafted 22mm straps in leather, rubber and fabric, produced using materials and techniques equal to or exceeding those of Breitling's original straps, with straight or tapered ends to suit individual preferences.

How long does a leather strap last on a Breitling AVI Y233801A1B1A1?

The lifespan of a leather strap depends on the quality of the tanning, the thickness of the hide and conditions of use. A top-grade vegetable-tanned strap, regularly conditioned with a suitable leather cream and kept away from prolonged moisture and direct perspiration, can last between three and six years while retaining structural and aesthetic integrity. Milano Straps straps carry 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