Breitling · Avenger

Strap for Avenger II Seawolf Stainless Steel / Volcano Black / Calf / Pin

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

Lug width22 mm
Case diameter45 mm
ReferenceA1733110/BC31/437X/A20BASA.1
FamilyAvenger
MovementBreitling caliber 17 hours, minutes, seconds | date
Year2013
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 Avenger A1733110/BC31/437X/A20BASA.1

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Avenger A1733110/BC31/437X/A20BASA.1, seen from the bench

The Breitling Avenger is equipped with the caliber 17 with hour, minute, second and date indication. The model features 22mm lugs and uses the reference A1733110/BC31/437X/A20BASA.1. The watch is part of the Avenger collection of the Swiss manufacturer specialized in aviation timepieces.

Frequently asked questions

What is the lug width of the Breitling Avenger A1733110/BC31/437X/A20BASA.1?

The lug width of the Breitling Avenger A1733110/BC31/437X/A20BASA.1 is 22mm. This measurement is taken internally between the lug tips at the point where the strap attaches to the case, and is compatible with any standard 22mm strap.

What is the best strap for the Breitling Avenger A1733110/BC31/437X/A20BASA.1?

It depends on the intended use. For formal or semi-formal settings, a vegetable-tanned alligator strap with contrast stitching enhances the 45mm case without overwhelming it. For sports or water-related use, vulcanised rubber with a fine texture is the most coherent choice given the Avenger's technical specifications. A premium recycled-fibre NATO strap offers the most versatile option for everyday wear.

How do you change the strap on the Breitling Avenger A1733110/BC31/437X/A20BASA.1?

Strap replacement on the Avenger is performed using a fine-tipped or lever-style spring bar tool, inserted into the lug hole to compress the spring bar and release the strap. The operation is fully reversible within seconds. It is advisable to rest the watch on a soft cloth to avoid scratching the case during the procedure.

Are there aftermarket straps compatible with the Breitling Avenger A1733110/BC31/437X/A20BASA.1?

Yes. Any strap with a 22mm lug width is technically compatible. Milanostraps.it offers handcrafted Made in Italy straps in various materials — leather, rubber, and NATO — specifically curated for the 22mm size. The artisanal construction ensures a precise fit and an aesthetic befitting a timepiece of this calibre.

How long does a leather strap last on the Breitling Avenger A1733110/BC31/437X/A20BASA.1?

Longevity depends on the leather type, frequency of wear, and care. A quality calfskin strap with well-finished edges typically lasts 18 to 36 months with daily use. Shell cordovan, owing to its dense fibre structure, can exceed 3 to 4 years. Vegetable-tanned alligator, if kept away from water and conditioned periodically, offers comparable durability. Milanostraps 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