Bell & Ross · Instruments

Strap for BR S Black Ceramic

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

Lug width20 mm
Case diameter39 mm
ReferenceBRSBLCERAMICSRB
FamilyInstruments
MovementETA caliber E61.511 hours, minutes, small seconds | date | chronometer
Year2008 - 2016
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 Instruments BRSBLCERAMICSRB

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Instruments BRSBLCERAMICSRB, seen from the bench

The Bell & Ross Instruments is equipped with the ETA E61.511 caliber with hour, minute, small seconds, date, and chronograph functions. The movement guarantees certified chronometric precision. The BRSBLCERAMICSRB reference features ceramic elements according to the brand's instrumental tradition.

Frequently asked questions

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

The Bell & Ross Instruments BRSBLCERAMICSRB features a 20-millimetre lug width, measured internally between the lugs of the case. This dimension is mandatory for mechanical and aesthetic compatibility with any aftermarket strap.

What is the best strap for the Bell & Ross Instruments BRSBLCERAMICSRB?

Alligator leather in fine grain or vegetable-tanned calf in dark brown represent the most coherent choices with the ceramic case aesthetics. For a sportier interpretation, a NATO in dense cotton or grey or black offers functionality and swift replacement capability. Your choice depends on context of use and desired formality level.

How do you change the strap on a Bell & Ross Instruments BRSBLCERAMICSRB?

Strap replacement is performed by extracting the spring bars that secure the lug to the case. Use a spring bar removal tool or a small flat-head screwdriver positioned beneath the spring to lift it, then extract the bar. Repeat on the opposite side and insert the new strap's lug. Verify that the spring bars are firmly seated before wearing the watch.

Is an aftermarket 20mm strap compatible with the Bell & Ross Instruments BRSBLCERAMICSRB?

Yes, any strap certified for 20mm lug width is mechanically compatible. Aesthetic compatibility, however, depends on construction quality and material: prioritise alligator, vegetable-tanned calf, or dense fabric NATO, avoiding glossy leathers or chromed finishes that would conflict with the ceramic case's sobriety.

What is the lifespan of a leather strap on the Bell & Ross Instruments BRSBLCERAMICSRB?

A high-quality alligator or calf strap typically lasts 3-5 years of regular use, depending on humidity exposure, heat and daily wear. Vegetable-tanned leather develops patina over time, retaining aesthetic character even after 5-7 years. Periodic maintenance (treatment with colourless balm) significantly extends the strap's lifespan.

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