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The Hublot Big Bang Referee was a real, limited-edition smartwatch—not just a World Cup promotional concept. It paired Hublot’s oversized Big Bang design with 2018-era Android Wear/Wear OS software, live FIFA tournament alerts and dedicated match-timing tools. That made it an unusually focused luxury wearable in 2018. In 2026, it is better understood as a collectible than as a dependable modern smartwatch: its football features were tied to a past tournament, while battery condition, phone pairing and service support need checking on any used example.
What the Hublot Big Bang Referee was
The Big Bang Referee 2018 FIFA World Cup Russia was Hublot’s first connected watch, a milestone the company later confirmed when introducing the separate Big Bang e. The Referee was produced for the 2018 tournament in Russia, with watches associated with match officials as well as a consumer version for fans and collectors. Its reference is 400.NX.1100.RX, and the consumer edition was limited to 2,018 pieces. Hublot’s product history and contemporary WatchTime coverage document its place in the brand’s connected-watch lineup.
It was not a conventional Big Bang with a digital dial dropped in. The Referee ran Google’s smartwatch platform—called Android Wear and, after a 2018 rebrand, Wear OS—inside a large titanium case. At launch, its price was about CHF 5,000 (some coverage cited CHF 4,900). That was luxury-watch pricing, reflecting the brand, materials, limited production and FIFA connection, not a promise of better software or longer service life.
Big Bang looks, smartwatch scale
The 49mm satin-finished titanium case is the first thing to understand about wearing it. At roughly 13.9–14mm thick, with a broad bezel, prominent lugs and the familiar Big Bang silhouette, it has real wrist presence. It is conspicuous rather than discreet, and its size can feel top-heavy or awkward on a smaller wrist. The heft and thickness also accommodate the GPS, NFC and other electronics inside.
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A sapphire crystal covers the touchscreen. The watch’s exterior looks like a Hublot sports watch, but the interaction is plainly digital: the display lights up, responds to taps and swipes, and changes between watch faces, notifications and apps. A face could be presented in an analogue-style layout, though the information and controls remained those of a smartwatch.
The supplied strap options reinforced the tournament theme. There was a black lined-rubber strap, a FIFA/World Cup cuff-style strap and team-coloured choices associated with the 32 participating nations. Hublot designed the strap system to be interchangeable, but contemporary hands-on reporting found the change less intuitive than swapping a simple conventional strap—particularly with the cuff-style buckle. Rubber condition matters on a used watch: it can harden, crack or discolour with age.
Screen, hardware and 2018 software
The display measured 35.4mm across and used a 400 × 400-pixel AMOLED panel, approximately 287 pixels per inch. Contemporary reporting listed an Intel Atom Z34XX dual-core processor at about 1.6GHz and 512MB of RAM. Other reported components included GPS, NFC, Wi-Fi, Bluetooth, a microphone, vibration feedback, an accelerometer, a gyroscope and tilt/detector sensors. Google Pay was advertised as a capability at the time.
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- 4H Hardness can effectively resist daily scratches.
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Those details describe a 2018 device and software environment, not a current Wear OS watch. The original platform, apps, payment services and phone-pairing requirements have aged; today’s Wear OS support cannot be inferred from the label alone. Hublot’s later Big Bang e is a different model, introduced in 2020 with a 42mm case and different hardware. Its specifications should not be applied to the 49mm Referee.
What it did during the World Cup
The tournament software gave the Referee a purpose beyond its case design. Its interactive faces and match information could show the score, match clock and status, teams and flags, and a countdown to the next game. Reported alerts included kickoff reminders—about 15 minutes before a match—plus goals and scorer information, yellow and red cards, and substitutions. Key events could arrive as vibration alerts. The exact usefulness depended on the tournament data and connected services being available.
There were also dedicated Referee and Chronometer apps. The Referee app was intended to track match periods and duration, including the first half, second half and extra time, with timing information available after the match. The Chronometer was essentially a branded timing tool rather than a separate breakthrough in watch technology. In its original review, Wareable reported timely alerts during its test period; that is a historical review result, not a guarantee about the watch or tournament services now.
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The watch’s association with tournament officials should not be confused with the systems that made or supported officiating decisions. Goal-line technology and VAR were separate technologies. The Referee offered information and timing functions; it did not independently determine whether a goal counted or make VAR decisions.
Battery, charging and durability
Launch coverage reported a roughly 410mAh battery and about a day of use. That was broadly normal for a 2018 Wear OS watch, but limited by modern expectations—and the original review found heavy use of match alerts, GPS and other features made it difficult to stretch beyond a day. The supplied magnetic charging disc reportedly took about 1 hour 50 minutes to charge from empty. These are period figures, not predictions for a battery that may now be eight years old.
Contemporary specifications gave the watch 50 metres or 5 ATM of water resistance. That rating does not establish the condition of an individual used watch. Seals and other components can deteriorate, especially if the watch has been opened or damaged. A used example should not be taken swimming unless an authorized service provider has recently pressure-tested it. Check the display for burn-in, dead pixels, delamination or touch problems, and inspect the crown, pushers, charging contacts and strap-release mechanism.
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- Bubble-free, fingerprint-free, dust-resistant. No sticky residue when removed.
What remains after the 2018 tournament?
The World Cup alerts and match displays were the Referee’s defining feature, but they were also tied to one event. A surviving watch may still show the time and, depending on its condition and software, handle basic notifications or other generic smartwatch functions. That is not the same as a guarantee that it can pair with a current phone, complete account setup, install apps, make payments or retrieve tournament data. Google Pay/NFC support was a historical advertised feature; do not assume it works today.
For a second-hand buyer, compatibility is an individual-device question. Ask the seller to demonstrate that the watch boots, charges, pairs with your phone and completes setup before you commit. Confirm the firmware version, factory-reset status and availability of the original charging disc. A reset can expose account or service problems that were not apparent while the watch was already paired. Even if basic functions work, a worn-out battery, unavailable charger or scarce service parts can make ownership frustrating.
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As a 2018 smartwatch, the Referee was an ambitious event-specific wearable: recognisable Hublot design, a large AMOLED display and software unusually well matched to the World Cup. As a 2026 smartwatch, it is difficult to recommend for everyday utility. The hardware is old, its battery was modest even when new, and current support for pairing, payments and apps is uncertain. A mainstream current smartwatch will be a more practical choice for notifications, health tracking and software support.
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- Anti-Spy: Screen is only visible to persons directly in front of screen, keeps your personal, private and sensitive information hidden from strangers.
- 4H hardness protects your screen from daily scratches, scrapes, and normal signs of wear.
- Self-healing technology enables the film to recover from minor scratches in 48 hours.
- Bubble-free, fingerprint-free, dust-resistant. No sticky residue when removed.
As a collector’s object, it may make sense for someone who values Hublot, the 2018 tournament or the early history of luxury connected watches. Its limited run and provenance are part of the appeal, but no asking price alone establishes market value. A listing at $5,795, for example, is a seller’s asking price—not a verified completed sale. Consider condition, completeness and functionality rather than treating rarity as proof of value.
Used-watch checklist
- Confirm the reference is 400.NX.1100.RX; don’t confuse it with the later Big Bang e or a mechanical Big Bang.
- Check that the serial number is intact and matches the paperwork, if supplied.
- Ask for a live demonstration of booting, charging, touchscreen response, pairing and setup with the phone you plan to use.
- Get a realistic battery-runtime report from a full charge, and ask whether the watch has been opened or serviced.
- Confirm the original magnetic charger is included and works.
- Test the crown, pushers, GPS, microphone, vibration motor and NFC where possible; do not assume a payment feature is still supported.
- Inspect the screen, case, charging contacts, strap-release hardware and rubber straps. Ask whether the World Cup faces and apps are still installed, but don’t treat their presence as proof that live data works.
- Request recent pressure-test documentation before any water exposure. The original 50m rating is not a substitute for a current test.
- Prefer a seller who offers returns if setup or pairing fails after delivery.
The key distinction is simple: the Big Bang Referee can be compelling as a rare Hublot-and-FIFA artifact while being a poor choice as a contemporary smartwatch. Buy it for the history and design only if the specific example’s condition, accessories and basic operation stand up to inspection.
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