Bell & Ross · BR-03

Strap for BR 03 92 White Ceramic / Diamond

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
ReferenceBR0392-WH-C-D/SCA
FamilyBR-03
MovementSellita caliber SW300-1 a hours, minutes, seconds | date
CaseCeramic

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 BR0392-WH-C-D/SCA

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The BR-03 BR0392-WH-C-D/SCA, seen from the bench

The Bell & Ross BR-03 BR0392-WH-C-D/SCA features a white ceramic square case of 42 mm diameter, powered by the automatic Sellita SW300-1 caliber displaying hours, minutes, seconds, and date. The 20 mm lug width is engineered to maintain optical proportions with the square case geometry, allowing precise strap compatibility without movement between case and bracelet. This instrument-inspired design reflects direct observation of military cockpit elements, where legibility and visual hierarchy are essential.

Frequently asked questions

What is the lug width of the Bell & Ross BR-03 BR0392-WH-C-D/SCA?

The lug width of the Bell & Ross BR-03 BR0392-WH-C-D/SCA is 20 millimetres. This measurement, taken from centre to centre between the attachment pins, allows you to select straps specifically compatible with the square case geometry. Using the correct measurement ensures a seamless transition between the ceramic case and the strap, preventing undesired movement.

What is the best strap for the Bell & Ross BR-03 BR0392-WH-C-D/SCA?

The choice of the best strap depends on your intended use and aesthetic preference. For an elegant and sophisticated approach, alligator in black or mouse grey reflects the technical identity of the ceramic case. For a more authentic and raw aesthetic, vegetable-tanned calf leather in cognac brown or anthracite grey offers natural patina and compelling texture. For intensive daily wear, vulcanised rubber or heavy-duty canvas NATO straps offer practicality, though at the expense of formal elegance.

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

Strap replacement on the BR-03 is accomplished via the two lateral pins present on the case lugs. Using a dedicated pin-removal tool or small plastic hammer, gently push the pin from the underside until it is completely extracted. Once the first pin is removed, the original strap comes free easily. Position the new strap by aligning its holes and reinsert the pins in the opposite direction, ensuring they are fully secured.

Which aftermarket straps are compatible with the Bell & Ross BR-03 BR0392-WH-C-D/SCA?

The Bell & Ross BR-03 BR0392-WH-C-D/SCA is compatible with all certified 20mm lug-width straps, regardless of material: leather (alligator, calf, shell cordovan), textiles (NATO, canvas) and rubber. Compatibility is guaranteed by matching lug width; however, we recommend verifying that the strap lugs are appropriately dimensioned for the square case geometry. Specialised suppliers such as Milano Straps offer pre-verified selections.

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

The longevity of a leather strap depends on stitch quality, tanning method and intensity of use. A quality alligator or calf strap, with waxed linen thread stitching, maintains structural integrity and interesting patina for 3–5 years of moderate daily wear. Vegetable-tanned leather develops natural patina more rapidly, creating aesthetic character over time. A well-made vulcanised rubber strap resists degradation for 5–7 years. Wear in the deployant fold zone is normal and characteristic.

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.

Request an appointment →

Casati Milano · Via XX Settembre 15, Milan · by appointment only