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Arnold & Son Chronometry Ultrathin Tourbillon Red Gold Onyx 1UTBR.Z02A.C1375R

41,5 mm, Manual Winding, Pink gold

The Arnold & Son Ultrathin Tourbillon Red Gold Onyx 1UTBR.Z02A.C1375R by Arnold & Son represents the pinnacle of haute horlogerie and a perfect harmony of technical innovation and artistic craftsmanship. The 18k red gold (5N) case measuring 41.5 mm features an exceptionally slim profile of just 8.40 mm, an outstanding achievement for a tourbillon timepiece. The elegant black onyx dial with its deep, polished finish creates a striking contrast with the off-centre time display, emphasizing the architectural sophistication of the model. Detailed product description

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Product description

The Arnold & Son Ultrathin Tourbillon Red Gold Onyx 1UTBR.Z02A.C1375R by Arnold & Son represents the pinnacle of haute horlogerie and a perfect harmony of technical innovation and artistic craftsmanship. The 18k red gold (5N) case measuring 41.5 mm features an exceptionally slim profile of just 8.40 mm, an outstanding achievement for a tourbillon timepiece. The elegant black onyx dial with its deep, polished finish creates a striking contrast with the off-centre time display, emphasizing the architectural sophistication of the model.

At its heart lies the in-house manual-winding calibre A&S8300, one of the thinnest tourbillon movements in the world (approx. 2.97 mm). The flying tourbillon at 6 o’clock, a symbol of the highest watchmaking complication, is complemented by an impressive power reserve of up to 100 hours. With 29 jewels and a frequency of 21,600 vph, the movement reflects exceptional craftsmanship.

Produced as a limited edition of only 8 pieces, this model is a highly exclusive collector’s artefact. The combination of red gold, onyx, and haute horlogerie mechanics, paired with a luxurious alligator leather strap, transforms this watch into a true work of art.

Product specifications

Producer: Arnold & Son
Supplier code: 1UTBR.Z02A.C1375R
Intended for Men’s
Collection Chronometry
Watch style Luxury, Elegant, Classic
Edition Limited i
Produced pieces 8
Warranty 24 months
Water resistance i 30 m
Case shape Round
Case size 41,5 mm
Case Thickness 8,4 mm
Case material Rose gold 18kt
Case features Transparent back cover i
Crystal Sapphire with anti-reflective treatment i
Dial Analog
Dial material Onyx
Dial color Black
Hour markers Roman numerals
Luminiscence i No
Movement Hand-Wound
Calibre Calibre A&S8300
Power reserve ~100 hodin
Functions Tourbillon
Strap color Black
Strap material Alligator leather
Clasp type Folding clasp i
Quick-release system No i
Arnold & Son Chronometry Ultrathin Tourbillon Red Gold Onyx 1UTBR.Z02A.C1375R
Perfection in precision

Arnold & Son Chronometry

The Arnold & Son Chronometers collection pays tribute to the legacy of John Arnold - the legendary 18th century watchmaker whose marine chronometers changed the history of navigation. Today, this collection carries the same ethos - the highest possible precision and purity of mechanical construction, combined with noble design and impeccable craftsmanship.

The watches in the Chronometry range are equipped with in-house manufacture movements, often with manual winding and complications such as a tourbillon or small seconds hand. Cases in 18kt gold or polished steel, elegant dials and precise proportions make them the ideal choice for those looking for a watch with soul - a harmony of aesthetics and functionality.

The Chronometry collection embodies watchmaking in its purest form. For collectors and classic lovers alike, it represents the perfect fusion of history and contemporary Swiss engineering.

Arnold & Son Chronometry Ultrathin Tourbillon Red Gold Onyx 1UTBR.Z02A.C1375R
Traditional British precision with a touch of haute horlogerie

Arnold & Son

The Arnold & Son brand bears the legacy of the famous British watchmaker John Arnold, who in the second half of the 18th century became famous for making marine chronometers - instruments that changed world navigation. Today, the brand continues in La Chaux-de-Fonds, Switzerland, where it combines technical innovation, precision craftsmanship and classic elegance in the spirit of its founder.

Arnold & Son is known for its intricate manufacture calibres that are created exclusively in-house. In the brand's portfolio you will find fascinating models with moonphase indicator, dual time, tourbillon or skeletonized versions. Each watch is not only a technical gem, but also an aesthetic expression of fine watchmaking.

The brand appeals to collectors and connoisseurs looking for an exclusive watch with soul and history - a timepiece that carries both the spirit of the British Scientific Revolution and Swiss watchmaking excellence.

Arnold & Son Chronometry Ultrathin Tourbillon Red Gold Onyx 1UTBR.Z02A.C1375R

Arnold & Son Chronometry Ultrathin Tourbillon Red Gold Onyx 1UTBR.Z02A.C1375R

On request:
Availability on request

2 076 200