Bell & Ross · BR-03

Strap for BR 03 92 Steel

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
ReferenceBR0392BLST2
FamilyBR-03
MovementETA caliber 2892-A2 hours, minutes, seconds | date
Year2016
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 BR-03 BR0392BLST2

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The BR-03 BR0392BLST2, seen from the bench

The Bell & Ross BR-03 features a square case inspired by aviation instrumentation. It is equipped with the automatic ETA 2892-A2 caliber with hour, minute, second and date indications. The BR0392BLST2 reference maintains the characteristic proportions of the BR-03 collection.

Frequently asked questions

What is the lug width of the Bell & Ross BR-03 BR0392BLST2?

The Bell & Ross BR-03 BR0392BLST2 features a 20mm lug width, which is the internal distance between the spring bars that connect the strap to the case. This measurement is the industry standard and ensures compatibility with thousands of aftermarket artisanal straps available online.

Which strap is best suited for the Bell & Ross BR-03 BR0392BLST2?

For the BR0392BLST2, an alligator strap in black or dark brown, or a vegetable-tanned calf leather option, complements the square geometry and military aesthetic of the watch. For a sportier style, NATO or vulcanised rubber straps maintain the aviation heritage of the model. Your choice depends on your intended use and colour preferences.

How do I change the strap on my Bell & Ross BR-03 BR0392BLST2?

Strap replacement requires a dedicated spring bar tool to remove the case lugs. Gently insert the tool into the small hole adjacent to the spring bar, compress the internal spring, and pull the bar out diagonally. Repeat on the other side, then insert the bars into your new 20mm strap until they click into place. If uncertain, consult a professional watchmaker.

Is an aftermarket strap compatible with my Bell & Ross BR-03 BR0392BLST2?

Yes, provided the strap has a precisely 20mm lug width. Always verify the lug width of the strap you wish to purchase to avoid incompatibility issues. All straps in the 20mm collection on Milano Straps are tested and certified as compatible with the BR0392BLST2.

How long does a leather strap last on a Bell & Ross BR-03?

A quality leather strap, such as those crafted by Milano Straps, typically lasts 3–5 years with regular use. Durability depends on frequency of wear, moisture exposure, and maintenance practices. Shell cordovan and vegetable-tanned leather straps outlast standard calf leather. Casati Milano offers an 18-month warranty on bespoke straps, with periodic maintenance and refurbishment services available.

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