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Pre-Owned Bell & Ross BR-05 Instruments Steel & Rose Gold — Black Dial, Full Set, Under Warranty (Ref. BR05A-BL-STPG/SRB)
In 2005, Bell & Ross built a wristwatch shaped like an aircraft cockpit clock. Nearly two decades later, they took the same square and rounded it off for a wrist that would never see an instrument panel.
Available now at Black Tag Watches (Aventura, Florida), this pre-owned example — reference BR05A-BL-STPG/SRB — is constructed in stainless steel with an 18K rose gold bezel, powered by the calibre BR-CAL.321, and offered in mint condition with its full original delivery dated 2025, under Bell & Ross factory warranty through April 2027.
What Is the Bell & Ross BR-05 Instruments?
From Cockpit Instrument to Boardroom Wrist
The pre-owned Bell & Ross BR-05 Instruments Steel & Rose Gold is the bicolour execution of the maison’s most deliberate move into the integrated-case urban luxury genre. Bell & Ross was founded in 1992 by Bruno Belamich and Carlos-A. Rosillo in Paris — the surnames form the brand name — and produced its earliest watches in collaboration with the German maker Sinn before transitioning to independent Swiss production in La Chaux-de-Fonds. The watershed moment for the brand’s modern identity arrived in 2005, when Bell & Ross launched the BR-01 Instrument: a 46mm square-cased wristwatch directly derived from an aircraft cockpit instrument, defined by the “circle within a square” dial architecture that the maison has since made its visual signature.
Where the BR-05 Sits in the Lineage
The BR-03 followed at 42mm; the BR-05 arrived at Baselworld 2019. Where the BR-01 and BR-03 remain instrument-first, the BR-05 is the same architecture translated into a design vocabulary made for a wrist that will spend its time in a boardroom rather than a cockpit. Carlos Rosillo has stated publicly that the collection exists to translate the BR-01 and BR-03 instrument vocabulary into a more urban register. For buyers of pre-owned Bell & Ross, the BR-05 is the maison’s most current design-forward reference — and the bicolour steel-and-rose-gold variant is one of the line’s more distinctive configurations.
Case & Dial Design: Rounded-Square Bicolour, Black Dial
The Rounded-Square Case in Steel and Rose Gold
The 40mm case is constructed as a rounded-square in two materials — a stainless steel case body with an 18K rose gold bezel — standing 11mm thick, with the four visible screws at each corner of the bezel carried across from the BR-01’s cockpit-instrument origin. What separates the BR-05 case from its predecessors is the specific rounding: where the BR-01 and BR-03 present as flat-flanked squares with distinct corners, the BR-05 flanks are curved and the lug transitions are integrated, allowing the case to sit closer to the wrist and to transition into a strap or bracelet without the visual break of a conventional lug. The bicolour construction gives the reference a dress-sport register that neither all-steel nor solid-gold execution achieves.
The Black Instrument Dial
The black dial reads as the maison’s contemporary interpretation of the instrument-panel signature: applied rose-gold Arabic 12 and 9 numerals, applied rose-gold baton hour markers, a framed date aperture at 3 o’clock, and matching rose-gold hour and minute hands with luminescent centres. The signed “Bell & Ross” script sits at the centre of the dial with “Automatic” printed beneath. The composition reads instrument-first even in its more urban register — which is the specific design argument the reference makes, and the thread that connects a boardroom watch back to a cockpit clock.
Movement: Bell & Ross Calibre BR-CAL.321 — Swiss Automatic
A Properly Configured Automatic for the Class
Inside the BR-05 Instruments is the Bell & Ross calibre BR-CAL.321 — a Swiss automatic movement of 25 jewels running at 28,800 vph (4 Hz) with a 42-hour power reserve. The BR-CAL.321 is the maison’s designation for the base automatic architecture used across the BR-05 Instruments line, developed and finished to the manufacture’s standards for the collection. The movement is signed and hidden behind a closed steel caseback engraved with the reference and the maison’s marks. As a horological argument for a mid-tier integrated-case dress-sport reference at this price point, the BR-CAL.321 does what a properly configured Swiss automatic should do in this class: it drives the dial reliably, keeps accurate time, and is serviceable through any qualified Swiss watchmaker or through Bell & Ross’s own service programme.
Movement Specifications
Specification
Detail
Calibre
BR-CAL.321, Swiss automatic
Jewels
25
Frequency
28,800 vph (4 Hz)
Power reserve
42 hours
Functions
Hours, minutes, date
Caseback
Closed steel, engraved
Condition, Provenance & Warranty
Full Set, Under Warranty to April 2027
Condition is mint. Provenance is complete: the watch is offered with its original Bell & Ross presentation box, warranty booklet, and warranty card dated 2025 — and remains under Bell & Ross factory warranty through April 2027 as of this listing. For a pre-owned Bell & Ross Instruments reference with an active factory warranty and complete original delivery, this is the strongest provenance and after-sales-service position a pre-owned example can occupy. Bell & Ross service centres will continue to service the watch under the standard programme, and the active warranty period carries forward from the original delivery.
Condition and Accessories
Detail
Information
Condition
Mint
Box
Original Bell & Ross presentation box
Papers
Warranty booklet + card, dated 2025
Warranty
Active, through April 2027
Strap
Original Bell & Ross black rubber
Buckle
Bell & Ross folding
Full Specifications — Bell & Ross BR-05 Instruments BR05A-BL-STPG/SRB
Specification
Detail
Brand
Bell & Ross (Paris / La Chaux-de-Fonds)
Collection
BR-05 Instruments
Reference
BR05A-BL-STPG/SRB
Case
Steel body + 18K rose gold bezel
Dimensions
40mm, 11mm thick
Profile
Rounded-square, integrated lugs, 4 corner screws
Dial
Black
Markers
Applied rose-gold 12 & 9, baton markers
Date
At 3 o’clock
Hands
Rose-gold, luminous centres
Movement
BR-CAL.321, Swiss automatic
Jewels
25
Frequency
28,800 vph (4 Hz)
Power reserve
42 hours
Caseback
Closed steel, engraved
Strap
Original Bell & Ross black rubber
Buckle
Bell & Ross folding
Condition
Mint
Box & Papers
Full set, dated 2025
Warranty
Active, through April 2027
Why Buy a Pre-Owned Bell & Ross BR-05 Instruments Steel & Gold?
A Distinctive Bicolour in a Crowded Genre
The BR-05 Instruments Steel & Gold occupies a specific position in the contemporary integrated-case sport-luxury market — recognised by buyers who read Bell & Ross’s aviation-instrument heritage as a substantive design language rather than a marketing story, and priced deliberately below the volume competitors in the genre. The rounded-square case with its bicolour steel-and-rose-gold construction is one of the more distinctive configurations in a category that is increasingly crowded with round and octagonal alternatives. For the buyer who wants an integrated-case watch that does not look like every other option in the segment, the BR-05 bicolour is a genuinely differentiated choice.
Full Delivery, Active Warranty, Below Retail
Current Bell & Ross retail on the BR05A-BL-STPG/SRB sits meaningfully above this listing, and full-set examples with an active factory warranty period are increasingly hard to source outside the primary boutique network. Against contemporary 40mm integrated-case sport-luxury references at retail, this pre-owned BR-05 offers a distinctive rounded-square case with bicolour construction, a Swiss automatic movement, full original delivery, and an active Bell & Ross factory warranty at a level that rewards practical thinking over badge hunting.
Available at Black Tag Watches — Aventura, Florida
Black Tag Watches is a luxury watch specialist based in Aventura, FL, offering new and pre-owned timepieces from Bell & Ross and the world’s leading Swiss and French manufactures.
View the Bell & Ross BR-05 Instruments Steel & Gold — Full Details & Pricing
A steel-and-rose-gold BR-05 with the aviation-instrument geometry rounded off for a boardroom wrist — under warranty, fully delivered, and quietly priced against the volume competitors in its genre.
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