Breitling · Avenger

Strap for Avenger II Stainless Steel / Tungsten Gray / 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 diameter43 mm
ReferenceA1338111/F564/437X/A20BA.1
FamilyAvenger
MovementBreitling caliber Caliber 13 Hours, Minutes, Small Seconds | Date | Chronograph
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 A1338111/F564/437X/A20BA.1

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Avenger A1338111/F564/437X/A20BA.1, seen from the bench

The Breitling Avenger II Stainless Steel A1338111/F564/437X/A20BA.1 is a 43mm tool watch designed for professional aviation and special operations. It features the automatic Breitling 13 chronograph caliber with hours, minutes, small seconds, and date. The 22mm lug width, screw-down crown with integrated guards, unidirectional bezel, and 300m water resistance reflect its military-grade construction for extreme conditions.

Frequently asked questions

What is the lug width of the Breitling Avenger A1338111/F564/437X/A20BA.1?

The lug width of the Breitling Avenger A1338111/F564/437X/A20BA.1 is 22mm. This measurement refers to the internal distance between the lugs at their narrowest point, best verified with a digital calliper. Adhering precisely to this dimension ensures a secure strap fit and prevents undue stress on the lug structures over time.

What is the best strap for the Breitling Avenger A1338111/F564/437X/A20BA.1?

For the Breitling Avenger A1338111/F564/437X/A20BA.1, vegetable-tanned Tuscan calf leather offers the best balance between aesthetics and durability, developing a distinctive patina with wear whilst remaining resistant to perspiration. Hornback alligator provides an elegant textural contrast against the robust case, whilst vulcanised rubber or ballistic nylon NATO straps are recommended for aquatic or high-intensity use.

How do you change the strap on the Breitling Avenger A1338111/F564/437X/A20BA.1?

Strap replacement on the Avenger requires a fine-tipped spring bar tool, preferably with a bifurcated point to avoid scratching the lugs. Insert the tool into the spring bar notch, compress the spring mechanism and slide the strap free. Particular care is required around the integrated lug guards characteristic of this model. It is advisable to work on a soft surface to protect the case finish.

Are there aftermarket straps compatible with the Breitling Avenger A1338111/F564/437X/A20BA.1?

Yes, the aftermarket offers a wide range of straps compatible with the 22mm lug width of the Breitling Avenger A1338111/F564/437X/A20BA.1. Milano Straps produces handcrafted straps with tight manufacturing tolerances, tested on Breitling references, available in Tuscan calf, alligator, rubber and NATO, with stitching and thickness profiles calibrated to the Avenger's lug geometry.

How long does a leather strap last on a Breitling Avenger with daily wear?

The longevity of a leather strap depends on the quality of the tanning process, leather thickness and wearing habits. A high-quality vegetable-tanned calf strap, with moderate daily use and periodic conditioning, typically maintains structural and aesthetic integrity for 18 to 36 months. Frequent exposure to water, heavy perspiration or UV radiation accelerates deterioration. For intensive sporting use, alternating with a rubber or NATO strap is strongly recommended.

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