Breitling · Endurance Pro

Strap for Breitling Endurance Pro 44 NFL Arizona Cardinals 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
ReferenceE823106A1BOS1
FamilyEndurance Pro
MovementBreitling caliber Caliber 82 Foudroyante Seconds, Minutes, Small Seconds | Date | Chronograph | Chronometer
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 E823106A1BOS1

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Endurance Pro E823106A1BOS1, seen from the bench

The Breitling Endurance Pro E823106A1BOS1 is a 44mm titanium sports chronograph born from collaboration with IRONMAN, featuring the Breitling Caliber 82 movement with COSC certification, small seconds, date, and foudroyante complication. The satin-finished titanium case delivers strength and lightness essential for triathlon and endurance racing. The 22mm lug width is a precise engineering specification that defines the full range of compatible straps and must be measured accurately between the lugs for proper strap attachment and stability during intense physical activity.

Frequently asked questions

What is the lug width of the Breitling Endurance Pro E823106A1BOS1?

The Breitling Endurance Pro E823106A1BOS1 has a lug width of 22mm. This measurement must be respected when replacing the strap, whether with genuine Breitling accessories or compatible aftermarket straps.

What is the best strap for the Breitling Endurance Pro E823106A1BOS1?

Given the brushed titanium case and the model's athletic vocation, the most suitable straps are vulcanised rubber for sports use, technical NATO for everyday versatility, or vegetable-tanned smooth calf leather for semi-formal occasions. A matte alligator strap with a brushed titanium deployant clasp offers a refined alternative without compromising the character of the piece.

How do I change the strap on the Breitling Endurance Pro E823106A1BOS1?

Strap replacement requires a fine-tipped springbar tool inserted between the strap and the lug to compress and release the 22mm springbars. Work on a soft surface to protect the titanium case from scratches. No specialist watchmaking skills are required, though care should be taken not to deform the springbars during the process.

Are there aftermarket straps compatible with the Breitling Endurance Pro E823106A1BOS1?

Yes. Any strap with a 22mm attachment is mechanically compatible with the Breitling Endurance Pro E823106A1BOS1. Milanostraps.it offers a curated selection of handcrafted straps in various materials — leather, rubber, NATO, and alligator — all made with standard 22mm fittings and springbars included.

How long does a leather strap last on the Breitling Endurance Pro E823106A1BOS1?

Longevity depends on the material and conditions of use. A quality vegetable-tanned calf leather strap, worn daily and kept away from water and heavy perspiration, can last between two and four years whilst developing a distinguished patina. For sports use or humid environments, rubber or technical NATO straps are recommended, as they are unaffected by moisture and easy to clean.

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