Breitling · Endurance Pro

Strap for Endurance Pro Ironman 70.3 World Championship 2024

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
ReferenceX823107C1M1S1
FamilyEndurance Pro
MovementBreitling caliber 82 Foudroyante seconds, minutes, small seconds | date | Chronograph | chronometer
Year2024
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 X823107C1M1S1

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Endurance Pro X823107C1M1S1, seen from the bench

The Endurance Pro features the Breitling 82 caliber with chronograph, small seconds and date functions. The movement is chronometer certified and equipped with a foudroyante seconds complication. 22mm lugs for the strap.

Frequently asked questions

What is the lug width of the Breitling Endurance Pro X823107C1M1S1?

The lug width of the Breitling Endurance Pro X823107C1M1S1 is 22mm. This measurement is taken with a millimetre calliper across the inner distance between the two lugs of the case, and determines compatibility with any standard 22mm aftermarket strap.

What is the best strap for the Breitling Endurance Pro X823107C1M1S1?

For sporting use, a technical rubber strap or a premium NATO in recycled technical yarns is the most practical choice. For hybrid or formal wear, a vegetable-tanned calf leather or matte alligator strap in black or midnight blue enhances the chronometric character of the piece without compromising its racing identity.

How do you change the strap on the Breitling Endurance Pro X823107C1M1S1?

The strap is replaced via the standard 22mm spring bars housed in the case lugs. A dedicated spring bar tool or a thin flat-head screwdriver is sufficient to remove the bars. No watchmaker's intervention is required; the operation can be completed independently in a few minutes with the correct tools.

Are there aftermarket straps compatible with the Breitling Endurance Pro X823107C1M1S1?

Yes. Any strap with a 22mm lug width is technically compatible. Milano Straps offers a handcrafted selection in calf leather, alligator, NATO, and rubber, all fitted with standard spring bars that attach directly to the original case lugs without any modification.

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

Longevity depends on the intensity of use and exposure to perspiration and moisture. A quality vegetable-tanned calf leather strap used in mixed but non-immersion contexts can last between 18 and 36 months while retaining a respectable patina. For intensive sport use, rotation with a rubber or technical NATO strap is advisable, reserving the leather strap for everyday non-athletic wear.

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.

Request an appointment →

Casati Milano · Via XX Settembre 15, Milan · by appointment only