Breitling · Endurance Pro

Strap for Endurance Pro Watches of Switzerland

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
ReferenceX823101L1B1S1
FamilyEndurance Pro
MovementBreitling caliber 82 Foudroyante seconds, minutes, small seconds | date | Chronograph | chronometer
Year2025
CaseTitaplast, 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 Endurance Pro X823101L1B1S1

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Endurance Pro X823101L1B1S1, seen from the bench

The Endurance Pro is equipped with the Breitling 82 caliber with chronograph, small seconds and date functions. The movement is chronometer-certified and has a foudroyante seconds indication. The case features 22mm lugs.

Frequently asked questions

What is the lug width of the Breitling Endurance Pro X823101L1B1S1?

The Breitling Endurance Pro X823101L1B1S1 features a lug width of 22mm. This measurement can be verified by placing a digital calliper between the lugs at the point where the strap attaches to the case. Any strap with a 22mm fitting is compatible with this reference.

What is the best strap for the Breitling Endurance Pro X823101L1B1S1?

Given the Endurance Pro's sporting character, vulcanised rubber is the most consistent choice: sweat-resistant, lightweight and comfortable during physical activity. A reinforced nylon or technical recycled-fibre NATO strap offers durability and versatility. For more formal contexts, vegetable-tanned calf leather or alligator with a deployant clasp represents a sartorial-grade aesthetic upgrade.

How do you change the strap on the Breitling Endurance Pro?

The strap is removed using a springbar tool inserted into the spring bar slot between the lug and the strap. Handle with care to avoid scratching the Titaplast case. The procedure takes approximately two minutes and requires no specialist watchmaking skills, though it is advisable to rest the watch face-down on a soft pad to protect the dial during the operation.

Are there aftermarket straps compatible with the Breitling Endurance Pro X823101L1B1S1?

Yes. All standard 22mm straps are compatible with the Endurance Pro. Milano Straps offers a curated selection of handcrafted leather, rubber and textile straps made specifically for this lug width, with finishes suited to both the watch's sporting vocation and more formal pairings.

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

The lifespan of a leather strap depends on exposure to perspiration, water and UV radiation. On a sport-oriented watch like the Endurance Pro, a quality vegetable-tanned calf strap typically lasts 12 to 24 months under intensive daily use. A high-grade alligator strap, used occasionally, can last well over five years. For intensive daily sport use, rubber or technical NATO straps are recommended, reserving fine leather for formal pairings.

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