Breitling · Montbrillant

Strap for Montbrillant Legende Two Tone / Silver

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

Lug width18 mm
Case diameter47 mm
ReferenceC2334021G637
FamilyMontbrillant
MovementBreitling caliber Caliber 23 Hours, Minutes, Small Seconds | Date | Chronograph
CaseRose Gold, Stainless Steel

Spring bar

Swiss Standard universal spring bars

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

The Montbrillant C2334021G637, seen from the bench

The Montbrillant represents the Breitling chronograph collection dedicated to civil and commercial aviation. It is equipped with the Caliber 23 with hour, minute, small second, date and chronograph functions. The reference C2334021G637 maintains the technical characteristics typical of the Montbrillant line of the Swiss brand.

Frequently asked questions

What is the lug width of the Breitling Montbrillant C2334021G637?

The lug width of the Breitling Montbrillant C2334021G637 is 18mm. Despite the generous 47mm case diameter, Breitling opted for an 18mm lug width to maintain correct proportions between the case and the strap. To verify this on your own piece, measure the internal distance between the two lugs using a millimetre calliper.

What is the best strap for the Breitling Montbrillant C2334021G637?

For the Montbrillant C2334021G637, with its combination of stainless steel and rose gold, a cognac or tobacco alligator strap represents the most coherent pairing: the scaled grain adds texture whilst the warm tones complement the rose gold elements. Alternatively, a shell cordovan in burgundy offers sartorial rigour, whilst a vegetable-tanned calf leather strap reinforces the instrument character of the watch.

How do I change the strap on the Breitling Montbrillant C2334021G637?

To replace the strap on the Montbrillant C2334021G637, a dedicated springbar tool is required. Insert the tool between the case lug and the spring bar to compress it and release the strap. It is advisable to work on a soft surface to protect the case from scratches. If in doubt, the operation can be carried out by a watchmaker or at a specialist atelier.

Are there aftermarket straps compatible with the Breitling Montbrillant C2334021G637?

Yes, high-quality aftermarket straps are available for the Breitling Montbrillant C2334021G637. The key requirement is an 18mm lug width and standard spring bars. Milano Straps offers handcrafted straps in alligator, shell cordovan, calf leather and other materials, available bespoke or ready to order online, all compatible with this reference.

How long does a leather strap last on a Breitling Montbrillant C2334021G637?

The lifespan of a leather strap depends on the material and care taken. A quality alligator strap, with moderate daily use, typically lasts between 2 and 4 years. Shell cordovan, thanks to its dense fibre structure, tends to last longer and develops a distinctive patina over time. To extend strap life, avoid prolonged contact with water and perspiration, and consider rotating between multiple straps.

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