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
ReferenceBR0392BLSTSST
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 BR0392BLSTSST

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The BR-03 BR0392BLSTSST, seen from the bench

The BR-03 represents Bell & Ross's main line, characterized by the square design inspired by aircraft instrument panels. The model is powered by the automatic ETA 2892-A2 calibre with hour, minute, second and date indication. The square case features rounded corners and a stainless steel construction.

Frequently asked questions

What is the lug width of the Bell & Ross BR-03 BR0392BLSTSST?

The Bell & Ross BR-03 BR0392BLSTSST features a 20mm lug width, which refers to the distance between the attachment points (lugs) on the case. This is the standard dimension for straps compatible with this model. Accurate measurement is essential before purchasing an aftermarket strap, particularly given the square case design with lugs positioned at the corners.

Which type of strap is most suitable for the Bell & Ross BR-03?

For the BR-03, straps in vegetable-tanned alligator (medium grain), black martelled calf leather, shell cordovan, or vulcanised rubber are recommended. Alligator delivers a tactile aesthetic that emphasises the case's severe geometry, martelled calf offers chromatic dynamism, shell cordovan develops a captivating patina over time, whilst rubber represents the most practical and durable choice for intensive use.

How do you change the strap on a Bell & Ross BR-03?

To change the BR-03 strap, remove the two spring bars connecting the strap to the case. Use a dedicated spring bar tool or small flathead screwdriver, gently depressing the bar from underneath to compress it and release it from the lug. Replace with a new strap of identical 20mm width and reinsert the bars until fully seated in their slots.

Is a strap purchased on MilanoStraps compatible with my BR-03?

Yes, all straps in the 20mm collection on MilanoStraps are fully compatible with the Bell & Ross BR-03 BR0392BLSTSST. Each strap is crafted with elevated artisanal standards and available in numerous leather variants, colours, and customisations (initials, stitching thread colour). Quality assurance is backed by the expertise of the Casati Milano atelier.

What is the lifespan of a natural leather strap on a watch like the BR-03?

A high-quality natural leather strap, particularly alligator or vegetable-tanned shell cordovan, typically lasts 3–5 years with daily wear. Durability depends on factors such as moisture exposure, frequency of wear, and maintenance practices. The Casati Milano atelier provides an 18-month warranty on bespoke straps and offers care guidance to extend strap longevity over time.

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