Bell & Ross · Instruments

Strap for BR S Officer Ruthenium

Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width22 mm
Case diameter39 mm
ReferenceBRS92RUSTSCR
FamilyInstruments
MovementBell & Ross caliber BR-CAL.302 Hours, Minutes, Seconds | Date
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 Instruments BRS92RUSTSCR

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Instruments BRS92RUSTSCR, seen from the bench

The Bell & Ross Instruments BRS92RUSTSCR belongs to the collection characterized by a design inspired by aeronautical instruments. It mounts the BR-CAL.302 caliber with hour, minute, second and date functions. The model follows the typical technical approach of the French brand in the interpretation of aviation horology.

Frequently asked questions

What is the lug width of the Bell & Ross Instruments BRS92RUSTSCR?

The lug width of the BRS92RUSTSCR is 22mm, representing the distance between the two lugs on the case. It is essential to select a strap with holes positioned precisely at 22mm intervals to ensure a perfect fit without slack or structural stress.

Which strap is most suitable for the Bell & Ross Instruments BRS92RUSTSCR?

Alligator leather with vegetable tanning or shell cordovan represent the optimal choices for this model. Their regular texture and natural rigidity create an elegant dialogue with the angular geometry of the square case. For daily wear, premium calf leather offers a balance between elegance and robustness. NATO and Tropic rubber straps are ideal for tactical contexts, maintaining the military functionality of the timepiece.

How do I change the strap on the BRS92RUSTSCR?

To replace the strap, use a spring bar tool. Position the flat lever against the pin from one side, gently push to release the internal spring tension, then extract the pin. Repeat on the other side. Once both pins are removed, take off the old strap. Insert the pins into the new strap, aligning the holes at 22mm, then secure the pins to the case with symmetrical movements.

Is an aftermarket strap compatible with the BRS92RUSTSCR?

Yes, any strap with a 22mm lug width is compatible with the BRS92RUSTSCR, regardless of brand. However, we advise against budget straps with irregular stitching or rough finishes that compromise the aesthetics of a high-value timepiece. Artisanal straps featuring premium leather, straight stitching, and refined finishing truly enhance the instrument.

What is the average lifespan of a leather strap for the BRS92RUSTSCR?

A premium leather strap with vegetable tanning lasts approximately 4–6 years with daily wear, developing authentic patina over time. Shell cordovan, being more durable, can last 7–10 years. Longevity depends on exposure to moisture, perspiration, and UV light. A leather strap is not intended to last indefinitely, but to age consciously and beautifully.

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