Breitling · Montbrillant

Strap for Montbrillant Olympus Silver

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter42 mm
ReferenceA1935012.G592
FamilyMontbrillant
MovementBreitling caliber 19 hours, minutes, small seconds | date, day, month, 1461 calendar | Chronograph | moonphase | chronometer
Year2006 - 2010
CaseStainless 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 Montbrillant A1935012.G592

Selected for the 20 mm lug width

All 20 mm straps →

The Montbrillant A1935012.G592, seen from the bench

The Breitling Montbrillant A1935012.G592 is a chronograph with the Breitling 19 automatic movement, COSC-certified chronometer. The stainless steel case measures 42.10 mm in diameter and features a slide rule dial, subdials for hours, minutes, small seconds, full calendar with day, month, perpetual year (1461 calendar), and moon phase. Lug width is 20 mm, a classic standard in high-end Swiss watchmaking.

Frequently asked questions

What is the lug width of the Breitling Montbrillant A1935012.G592?

The lug width of the Breitling Montbrillant A1935012.G592 is 20 mm. This measurement refers to the internal distance between the two lug walls, which determines the compatible strap width. It is one of the most widespread standards in Swiss high-end watchmaking.

What is the best strap for the Breitling Montbrillant A1935012.G592?

For the Montbrillant A1935012.G592, an alligator leather strap with square scale grain in black or midnight blue complements the instrument-style dial. Vegetable-tanned calf leather develops an authentic patina over time, consistent with the watch's technical character. For sports use or travel, anatomical vulcanised rubber is the most practical choice. A steel deployant clasp in 20 mm is recommended to preserve the leather strap.

How do you change the strap on the Breitling Montbrillant A1935012.G592?

To replace the strap on the Montbrillant A1935012.G592, you will need a springbar tool with a forked tip. Insert the tip into the lateral lug holes, compress the springbar and slide the strap outwards. The operation does not require case disassembly and can be carried out independently with care, or entrusted to a watchmaker.

Are there aftermarket straps compatible with the Breitling Montbrillant A1935012.G592?

Yes. The Breitling Montbrillant A1935012.G592 uses standard 20 mm springbars, compatible with a wide aftermarket offer. On milanostraps.it you will find handcrafted straps in leather, alligator, calf, rubber and NATO nylon specifically selected for the 20 mm lug width, with bespoke personalisation available through the Casati Milano atelier.

How long does a leather strap last on the Breitling Montbrillant A1935012.G592?

The lifespan of a leather strap depends on the quality of the hide, the tanning process and daily use. A hand-crafted alligator or vegetable-tanned calf leather strap, properly maintained (avoiding prolonged contact with water and treating periodically with leather conditioner), can last between 2 and 5 years whilst retaining its aesthetic properties. The Casati Milano guarantee covers manufacturing defects for 18 months.

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