Breitling · Endurance Pro

Strap for Endurance Pro El Paradiso Blue

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
ReferenceX823105A1B1S1
FamilyEndurance Pro
MovementBreitling caliber 82 Foudroyante seconds, minutes, small seconds | date | Chronograph | chronometer
Year2021
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 X823105A1B1S1

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Endurance Pro X823105A1B1S1, seen from the bench

The Breitling Endurance Pro X823105A1B1S1 is a 44mm sports chronograph with a Titaplast composite case combining carbon fibers and thermal-resistant polymers. It features the Breitling Caliber 82 SuperQuartz™ movement, COSC-certified for ±0.07 seconds daily accuracy, with integrated chronograph, date display, and lightning seconds. The 22mm lug width supports the watch's lightweight construction while maintaining wrist stability. The stainless steel bezel and case-matched dial create a versatile sports-to-business aesthetic.

Frequently asked questions

What is the lug width of the Breitling Endurance Pro X823105A1B1S1?

The lug width of the Breitling Endurance Pro X823105A1B1S1 is 22mm. This measurement is taken with a digital calliper placed inside the lugs, perpendicular to the case back, and determines compatibility with all 22mm aftermarket straps.

What is the best strap for the Breitling Endurance Pro X823105A1B1S1?

Given the sporting nature and ultralight Titaplast case, the most suitable straps are: technical recycled nylon NATO (minimal weight, maximum versatility), vegetable-tanned calfskin in a matte finish (restrained elegance), matte alligator with contrast stitching (formal occasions), and perforated rubber (humid environments and intense physical activity). The recommended closure is a brushed titanium buckle or a matte steel deployant clasp.

How do you change the strap on a Breitling Endurance Pro X823105A1B1S1?

The Breitling Endurance Pro uses standard 22mm spring bars removable with a spring bar tool. Insert the tip of the tool into the side hole of the spring bar, compress the spring, and slide the strap out of the lug. Repeat on the other side. No professional equipment is required, though it is advisable to work on a soft surface to avoid scratching the Titaplast case.

Are there aftermarket straps compatible with the Breitling Endurance Pro X823105A1B1S1?

Yes. Any strap with a 22mm attachment is technically compatible with the Breitling Endurance Pro X823105A1B1S1. milanostraps.it offers a curated selection of handcrafted 22mm straps in leather, NATO, and rubber, available bespoke or ready to ship, with buckles and deployant clasps in various finishes.

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

The lifespan of a leather strap depends on the tanning method, thickness, and conditions of use. A quality vegetable-tanned calfskin strap, used under normal conditions and not regularly exposed to moisture, typically lasts 2–4 years with periodic conditioning (leather cream every 3–4 months). Casati Milano straps fitted to this reference come with an 18-month guarantee covering manufacturing defects.

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