Breitling · Endurance Pro

Strap for Breitling Endurance Pro 44 NFL Los Angeles Chargers Edition

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

Lug width22 mm
Case diameter44 mm
ReferenceE823106A1BES1
FamilyEndurance Pro
MovementBreitling caliber 82 Foudroyante seconds, minutes, small seconds | date | Chronograph | chronometer
Year2025
CaseTitanium

Spring bar

Swiss Standard universal spring bars

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

Straps for the Endurance Pro E823106A1BES1

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Endurance Pro E823106A1BES1, seen from the bench

The Breitling Endurance Pro E823106A1BES1 is a 44 mm titanium sports chronograph designed for professional athletes, featuring the Breitling Caliber 82 movement with flyback seconds and chronograph functions certified to ±1 second per day. The case combines structural rigidity with extreme lightness, ideal for extended training and competition use. The watch has a 22 mm lug width, ensuring broad compatibility with aftermarket straps in rubber, FKM, or leather options without requiring modifications.

Frequently asked questions

What is the lug width of the Breitling Endurance Pro E823106A1BES1?

The lug width of the Breitling Endurance Pro E823106A1BES1 is 22 mm. This measurement, taken between the two lower lugs using a digital calliper, is standard for 44 mm sport chronographs and ensures full compatibility with a wide range of aftermarket straps without the need for adapters.

What is the best strap for the Breitling Endurance Pro E823106A1BES1?

For daily sporting use, a 22 mm vulcanised rubber or FKM strap is the most practical choice. For a dress-sport register, vegetable-tanned calfskin with a matte finish complements the brushed titanium case texture. A technical nylon NATO strap honours the original spirit of the Endurance Pro, while an alligator strap introduces a refined aesthetic contrast for formal occasions.

How do I change the strap on a Breitling Endurance Pro?

Strap replacement on the Endurance Pro is carried out using a fine-tipped or lever-style spring bar tool to slide the 22 mm spring bars out of the lugs. No case disassembly or specialist tools are required: care should be taken to avoid scratching the titanium finish. Some aftermarket straps feature a quick-release mechanism, eliminating the need for any tools entirely.

Are there aftermarket straps compatible with the Breitling Endurance Pro E823106A1BES1?

Yes. The standard 22 mm lug width makes the Breitling Endurance Pro E823106A1BES1 compatible with a broad selection of quality aftermarket straps, including the handcrafted options available from Milano Straps. Choices range from technical materials such as rubber and FKM to premium leather options including calfskin, alligator, and nylon NATO, all available in the correct size.

How long does a leather strap last on a sport watch like the Endurance Pro?

The lifespan of a leather strap on a sport watch depends on exposure to perspiration, water and UV radiation. Under intensive use, a standard calfskin strap has an average life of 12 to 18 months. Opting for high-grade vegetable-tanned leathers or hides treated with protective oils significantly extends durability. With proper care — natural air-drying after use and periodic application of protective wax — it is possible to exceed 24 months while preserving the patina and structural integrity.

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