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Bell & Ross · BR-03

Strap for BR 03 94 Golden Heritage Chronograph

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

Lug width

20mm
20 mm strapsAll Bell & Ross
Lug width20 mm
Case diameter42 mm
ReferenceBR0394STGHESCA
FamilyBR-03
MovementBell & Ross caliber BR-CAL.301 hours, minutes, small seconds | date | Chronograph
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

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

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Straps for the BR-03 BR0394STGHESCA

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The BR-03 BR0394STGHESCA, seen from the bench

The Bell & Ross BR-03 is inspired by aeronautical instruments with its characteristic square case. It is equipped with the BR-CAL.301 caliber with functions of hours, minutes, small seconds, date, and chronograph. The case features a distinctive design that recalls the cockpits of military aircraft.

Frequently asked questions

What is the lug width of the Bell & Ross BR-03 BR0394STGHESCA?

The lug width of the Bell & Ross BR-03 BR0394STGHESCA is 20 millimetres. This dimension is critical for correct aftermarket strap selection and ensures balanced proportions between the 42-millimetre case and the wristband.

Which strap is best suited to the Bell & Ross BR0394STGHESCA?

The ideal strap depends on intended use. For formal applications, we recommend alligator or calf leather in brown or black tones. For sports and aquatic contexts, FKM rubber or structured silicone offer maximum resistance. NATO straps in cotton or polyamide amplify the timepiece's avionic vocation.

How do you change the strap on the Bell & Ross BR-03 BR0394STGHESCA?

The strap is changed via the lateral case attachments. Use a dedicated tool (spring bar tool) to gently compress the strap spring and withdraw it from the housing. After removing the old strap, insert the new lug ensuring springs are correctly positioned and tension is uniform on both sides.

Does replacing the strap on a Bell & Ross BR0394STGHESCA with an aftermarket alternative void the original warranty?

Replacing an original strap with an aftermarket alternative generally does not affect the manufacturer's warranty, which covers exclusively the movement and case. We recommend verifying specific warranty terms with your trusted Bell & Ross authorised dealer.

What is the average lifespan of a leather strap on a Bell & Ross BR0394STGHESCA?

A quality leather strap, with vegetable tanning or authentic alligator, maintains structural integrity for 3–5 years of daily use. Lifespan depends on maintenance, sun exposure, and water contact frequency. A rubber or structured silicone strap achieves 5–7 years. Casati Milano offers an 18-month guarantee on custom 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