Breitling · Chronomat 36

Strap for Chronomat Automatic 36 Red Gold / White / Rouleaux

Takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width18 mm
Case diameter36 mm
ReferenceR10380101A1R1
FamilyChronomat 36
MovementBreitling caliber 10 hours, minutes, seconds | date | chronometer
Year2020
CaseRed Gold

Spring bar

Swiss Standard universal spring bars

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

Straps for the Chronomat 36 R10380101A1R1

Selected for the 18 mm lug width

All 18 mm straps →

The Chronomat 36 R10380101A1R1, seen from the bench

The Breitling Chronomat 36 Red Gold (ref. R10380101A1R1) is powered by the Breitling Caliber 10 COSC-certified movement with hours, minutes, seconds, and date functions, ensuring precision of ±4 seconds per day. The 36mm case in 18-carat red gold features the iconic rider tabs at 3-6-9-12 positions, a bidirectional rideaux bezel, and a Rouleaux bracelet with triple rounded links, with an 18mm lug width requiring appropriately shaped strap ends for proper fit.

Frequently asked questions

What is the lug width of the Breitling Chronomat 36 R10380101A1R1?

The Breitling Chronomat 36 reference R10380101A1R1 features an 18mm lug width. This measurement should be taken with a digital calliper on the inner side of the lugs, at the base of the case, to ensure accurate compatibility with aftermarket straps.

What is the best strap for the Breitling Chronomat 36 in red gold?

For the Chronomat 36 in red gold, an alligator strap with vegetable tanning is the most coherent choice given the watch's luxury register. Bordeaux, cognac or bottle green tones complement the warm chromatic temperature of red gold. Shell cordovan is an excellent alternative for those who prefer a compact, uniform surface. In either case, a red gold deployant clasp completes the pairing perfectly.

How do you change the strap on a Breitling Chronomat 36?

To replace the strap on the Breitling Chronomat 36, use a fine-tipped springbar tool inserted into the dedicated lateral slots on the lugs to release the spring bars. It is advisable to work on a soft surface to avoid scratching the red gold case. If in doubt, entrust the operation to a professional watchmaker or the Casati Milano atelier.

Are there aftermarket straps compatible with the Breitling Chronomat 36 R10380101A1R1?

Yes, a wide range of aftermarket straps are compatible with the Breitling Chronomat 36, which takes an 18mm lug width. Milanostraps.it offers a curated selection of artisan straps in leather, rubber and technical materials, all made for this specific width. For bespoke commissions, the Casati Milano atelier offers a fully tailored service.

How long does a leather strap last on a Breitling Chronomat 36?

The lifespan of a leather strap depends on the material and frequency of wear. A quality vegetable-tanned alligator strap, with proper care, can last between three and five years of regular use. Shell cordovan tends to show greater resistance to surface wear. Prolonged contact with water and perspiration should be avoided, as both accelerate the deterioration of the leather fibres.

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