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Carbon 25: How Tudor Celebrated the Austin GP with a Racing Bulls-Themed Chronograph

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Tudor marked the Austin Grand Prix with Carbon 25 this October, with a watch echoing the Racing Bulls’ livery and racing-grade engineering

The United States Grand Prix rolled into Austin’s Circuit of The Americas on October 20, and the Visa Cash App Racing Bulls Formula One Team turned heads long before the lights went out. Alongside their wild new tortoise-shell livery, created especially for the weekend, came something far rarer and arguably even more collectible: the Tudor Black Bay Chrono “Carbon 25” (M79377KN-0001).

Released exclusively to celebrate the race, this watch wasn’t a merchandising afterthought but a fully engineered, one-off creation that mirrored the bold identity of the Racing Bulls’ Austin livery. With only 2,025 pieces in existence, each individually numbered, the Carbon 25 became Tudor’s high-performance tribute to a weekend where speed, spectacle, and precision defined everything.

A Race-Ready Case: Carbon Fibre Through and Through

Unlike most chronographs, which rely on steel or titanium, the Carbon 25 went all-in with an entirely carbon-fibre case. It was lightweight, robust, and built to absorb impact, attributes any Formula One team engineer would appreciate. At 42 mm wide and 14.3 mm thick, it had presence without the wrist-dragging heft typical of motorsport chronographs.

Even the fixed bezel was fashioned from carbon fibre, complete with a tachymetric scale, keeping the racing DNA front and centre. Tudor didn’t treat carbon as a decorative material; rather built with it, just like the teams that use carbon monocoques to shave seconds off their lap times.

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A Dial That Echoed the Livery in Carbon 25

Inside this carbon shell sat the Tudor Carbon 25’s most striking design cue: its dial. Tudor called it Racing White, but the standout feature was the pair of carbon sub-counters. Their pattern mimicked the textures seen on the Racing Bulls’ tortoise-shell livery that weekend, a clever nod that made the watch feel like wearable bodywork from the RB car.

The bold black “snowflake” hands and the applied markers were filled with Super-LumiNova for maximum legibility, echoing the high-contrast graphics teams use on steering wheels and dashboards. There was even a date window at 6 o’clock, a practical touch that didn’t disturb the symmetry of the dial.

A Chronograph Engine Built for the Paddock

Inside the Carbon 25, beat Tudor’s Manufacture Calibre MT5813, a COSC-certified chronograph movement built for endurance and reliability. With a 70-hour power reserve, a column-wheel mechanism, and a high-precision regulating organ, it was the kind of engine expected from a brand that treats performance as seriously as aesthetics.

The movement ran at 28,800 vph (4 Hz) and had been tested for shock resistance, magnetic resilience, and long-term accuracy. In watchmaking terms, it was the equivalent of an F1 power unit: compact, meticulously engineered, and relentlessly reliable under pressure.

Titanium Controls for a Mechanical Machine

The screw-down crown and chronograph pushers were made from PVD-finished titanium, giving them a technical, almost industrial feel. The crown featured the Tudor rose, while the pushers were built for crisp engagement.

Strap With Racing Influence

Tudor completed the package with a hybrid rubber-and-leather strap, textured like tyre tread, a subtle detail motorsport fans appreciated. Even the end-links were made of carbon fibre, continuing the material’s journey from case to clasp.

With 200 metres of water resistance and a domed sapphire crystal, the Carbon 25 was built to handle far more than the glam side of race weekends.

A Watch With a Story—Not Just a Serial Number

Every piece came with its own individual number engraved on the PVD-coated titanium caseback. The production run of 2,025 watches paid tribute to the year of the Grand Prix itself. This wasn’t a recurring edition. Once the Austin race weekend wrapped, the Carbon 25’s chapter closed.

The Spirit of ‘Born To Dare’ at COTA

The Visa Cash App Racing Bulls boys, strapped into cars dressed in metallic gold, pearlescent whites, and tortoise-shell blacks, embodied the daring edge of Formula One’s midfield. Tudor’s Carbon 25 captured that same personality: unconventional materials, bold textures, and an engineering-first approach.

Where to find the new Tudor Carbon 25 in Delhi

Anyone in Delhi who wants to explore more about Tudor’s Carbon 25, can visit Cooke & Kelvey, one of the capital’s oldest heritage watch retailers. Their legacy stretches back to India’s early scientific and engineering eras, making them a fitting place to engage with a watch built on performance and history.

Black Bay Chrono

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Black Bay Chrono "Carbon 25"

42mm black carbon fibre case, Racing white dial

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Black Bay Chrono

41mm steel case, Steel bracelet

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Black Bay Chrono

41mm steel case, Steel bracelet

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Black Bay Chrono S&G

41mm steel case, Steel and yellow gold bracelet

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