Technical Archive

Bell & Ross
Instruments BRS-BL-CMAT/SRB— lug 20mm

Bell & Ross Instruments BRS-BL-CMAT/SRB: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

BR S Matte Black Ceramic

Artisanal Note

"This model requires a precise 20mm lug width to preserve the original sartorial balance."

Technical Specifications

Bell & Ross BRS-BL-CMAT/SRB
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

BRS-BL-CMAT/SRB

Movement

ETA caliber E61.511 Hours, Minutes, Small Seconds | Date | Chronometer

The Heritage

The Bell & Ross Instruments with reference BRS-BL-CMAT/SRB is equipped with the ETA E61.511 caliber with chronometer certification. The movement indicates hours, minutes, small seconds and date. The watch is part of the Instruments collection of the French brand specialized in aviation-inspired timepieces.

FAQ

What is the lug width of the Bell & Ross Instruments BRS-BL-CMAT/SRB?

The lug width (ansa measure) of the BRS-BL-CMAT/SRB is 20mm. This dimension is determined by the width of the ceramic square case and represents the available space between the integrated lugs for strap accommodation.

What is the best strap for the Bell & Ross Instruments BRS-BL-CMAT/SRB?

The choice depends on intended usage. For a classic-elegant profile, we recommend black matte alligator or vegetable-tanned calf leather in grey tones. For a technical approach consistent with the Instruments identity, vulcanized rubber straps with titanium deployante maintain the model's operational character.

How do I change the strap on the BRS-BL-CMAT/SRB?

Insert a spring bar tool between the lug and the strap, applying light pressure to disengage the spring underneath the bar. Carefully extract the old strap, then lodge the bar in the new strap ensuring both ends are perfectly seated in the cavities.

Which aftermarket straps are compatible with the Bell & Ross Instruments BRS-BL-CMAT/SRB?

All straps with a 20mm lug width are compatible with the BRS-BL-CMAT/SRB. Milanostraps offers a curated selection of artisanal straps in alligator, calf leather, vegetable-tanned leather, rubber and technical materials, customisable in size and finish.

How long does a leather strap last on a Bell & Ross Instruments?

A vegetable-tanned leather strap, under regular use, maintains structural integrity for 4-6 years. Alligator, though more delicate, can last 5-7 years. Lifespan increases significantly with periodic maintenance (conditioning with specific creams) and rotation with other straps. Vulcanized rubber straps last 3-5 years before requiring replacement.