The Steve McQueen Heuer Monaco That Defined Cool Is Up for Sale - Again. And This Time, It's the Big One.

The Most Screen-Worn Monaco Ever. 200+ Archival Photographs. Letters from Jack Heuer Himself. Sotheby's New York. 

Last updated: April 2026 | Auction date: June 15, 2026 | Estimate: $500,000–$1,000,000

Some stories end.

This one keeps going.

Last December, the watch world watched a Heuer Monaco Ref. 1133B — one of the original screen-worn watches from Steve McQueen's 1971 film Le Mans — sell for $1.4 million at Sotheby's New York. It was a milestone. A landmark. The second highest price ever achieved for a Heuer at auction. The room applauded. The collectors exhaled.

And then, four months later, Sotheby's did it again.

On April 15, 2026, Robb Report and The Hollywood Reporter broke the news simultaneously: another McQueen Monaco — this one described by Sotheby's as "the most storied and most screen-worn" of all the examples from the production — will go under the hammer at Sotheby's Important Watches sale in New York on June 15, 2026. Estimate: $500,000 to $1 million. Actual result: almost certainly higher.

Before you ask — yes, this is a different watch. And by most measures, it is the more important one.

First, the Context: A Revolution That Nearly Failed

Before any of this makes sense, you need to understand just how close the Heuer Monaco came to being forgotten entirely.

In 1969, Heuer unveiled its most radical creation: the Monaco Ref. 1133B. It was part of a monumental joint venture involving Heuer, Hamilton, Breitling, Buren, and the movement specialist Dubois-Depraz, which produced the Calibre 11 — among the world's first self-winding chronograph movements. Automatic chronographs were the great watchmaking arms race of the 1960s. Heuer crossed the finish line.

Then it wrapped that milestone movement in something no one had ever seen: a square, waterproof stainless steel case, 40mm wide, with the crown positioned on the left side. The left-side crown wasn't aesthetic whimsy. It was engineering logic — a racing driver wearing thick leather gloves cannot easily wind or set a right-side crown. Every detail of the Monaco existed for a reason.

The market didn't care. Sales were poor. The Monaco was seen internally as a misstep — too strange, too angular, too far outside the conventions of the era. Heuer produced a limited run between 1969 and 1975 and then quietly discontinued it.

What saved it was one man, one film, and one decision that nobody planned. TAG Heuer's enduring relationship with the culture of racing — from the original Monaco to the TAG Heuer Formula One Senna Limited Edition tribute to Ayrton Senna — has its origin in this single, accidental moment.

The Choice That Changed Everything: Steve McQueen and Le Mans

Steve McQueen was not a man who performed enthusiasm. He was genuinely, almost pathologically, obsessed with speed. He owned up to 100 vehicles simultaneously. He raced competitively. He drove his own film stunts — including some of the most famous chase sequences in cinema history, in The Great Escape and Bullitt. When you watched McQueen handle a car on screen, you were watching a man who knew exactly what he was doing.

Le Mans - the 1971 film that consumed two years of his life and nearly bankrupted his production company Solar Productions — was his most personal project. He wanted to put on screen something that had never been done: not the drama around racing, but the sensation of racing. The blurred tarmac. The mechanical howl. The particular solitude of sitting inside a Porsche 917 at 240 miles per hour at three in the morning, with nothing between you and oblivion but concentration and luck.

For the film to work, everything had to be real. Real cars. Real circuits. Real risk. And real equipment.

The path to the Monaco ran through Swiss racing driver Jo Siffert - a Heuer ambassador, a close friend of Jack Heuer, and the man whose personality and driving style McQueen used as the template for his character Michael Delaney. When McQueen decided Delaney would wear Heuer - because Siffert wore Heuer, because the patch was stitched across Siffert's suit - property master Don Nunley presented him with a selection of authentic racing chronographs.

McQueen chose the Monaco. The "B" variant - the blue dial. Not because of prestige. Not because of price. Because it was the watch a real driver would actually choose: unconventional, purposeful, unglamorous in the best possible way.

It was, in retrospect, one of the most consequential product decisions in the history of luxury goods. And it was never planned.

Seven Watches: The Full Accounting

This is where the June 2026 auction story gets genuinely new — and genuinely important.

For years, the accepted count was six Monaco Ref. 1133B watches supplied to the Le Mans production. The new Sotheby's documentation - painstakingly assembled from Don Nunley's personal archive - has revised that number upward. Seven blue-dial Monacos were sent from the Heuer workshop to the set.

Of those seven, property master Don Nunley retained three when filming wrapped in late 1970. He subsequently sold two of them. One of those eventually made its way to the TAG Heuer Museum in Switzerland, where it remains on permanent display. The other — the June 2026 Sotheby's example - passed through private hands until its current owner decided the time had come.

Here is the full known accounting of the Le Mans Monacos:

TAG Heuer Museum (Switzerland): At least two examples are held permanently by the brand. They are not for sale.

The 2012 sale: One Monaco sold through a Hollywood memorabilia auction for $799,500 — then a landmark result.

The 2020 Phillips sale: The watch McQueen personally gifted to his mechanic and close friend Haig Alltounian, with the caseback engraved "TO HAIG LE MANS 1970." It sold for $2,208,000 — more than ten times its estimate, a world record for Heuer that stands to this day.

The December 2024 Sotheby's sale: The Bev Weston example — purchased by Weston from the film's wardrobe department for $40 after filming wrapped, worn by Weston on the Indy 500 pit wall in 1971, then held privately for over forty years. Sold for $1,440,000 at Sotheby's "Heuer Champions" auction. The second highest Heuer ever sold.

The June 2026 Sotheby's sale: The Don Nunley estate example — by provenance, the most directly connected to the production itself. Described by Sotheby's as "the most storied and most screen-worn" example of all. Coming to auction for the very first time.

The June 2026 Watch: Why This One Is Different

Every Monaco that has come to auction has been extraordinary. This one is something else.

The distinction lies not only in the watch itself but in what comes with it. Don Nunley was not simply a mechanic who happened to acquire a prop. He was the property master — the man responsible for sourcing the watches, managing them throughout the production, and liaising directly with Heuer throughout filming. He was, in the most literal sense, the custodian of the Monaco's entire Le Mans journey.

What survived in Nunley's care is staggering: a lockbox containing original correspondence between Nunley and Jack Heuer — then CEO of Heuer — documenting precisely how the Monaco was selected for McQueen and integrated into the film's production and marketing. Approximately 400 documents in total. Over 200 archival photographs from the set, many of which have never been published. The correspondence illuminates, in real time, how one of the great accidental brand-building moments in commercial history actually unfolded.

TAG Heuer's heritage director Nicholas Biebuyck put it plainly: "The cultural moment of Steve McQueen wearing the Heuer Monaco in Le Mans has reverberated across decades and would play a huge role in giving birth to the icon that the collection has become today."

That icon was born, in part, because of the man whose letters and photographs now accompany this watch to the auction block. The legacy of that icon continues to this day — the TAG Heuer Monaco Gulf Limited Edition is among the most direct expressions of the original's design philosophy, carrying the square case and racing spirit into modern horology.

The Exhibition: Monaco, Before New York

Before the June sale, the watch has a proper public debut.

It is currently on public view at the Grimaldi Forum Monaco through April 25, 2026 — the first time it has appeared in public view in more than fifty years since McQueen wore it on screen. The exhibition coincides with RM Sotheby's Monaco auction and the Grand Prix de Monaco Historique, one of the most significant events in the international motoring calendar.

The choreography is deliberate and intelligent. To show a watch this important at Monaco — on the street circuit that gave the watch its name, during the most important motoring weekend of the year — is a statement of intent. This is not a watch being sold. This is a watch being installed in history.

It arrives at Sotheby's New York on June 15 carrying that full ceremonial weight.

The Record That Hangs Over the Room: $2.2 Million

Every bidder in the room on June 15 will have the same number in their head: $2,208,000.

That is what the Phillips example achieved in December 2020. That watch had exceptional provenance — gifted by McQueen personally, inscribed to Haig Alltounian. It arrived with the intimacy of a personal gift, the warmth of a direct human connection to the man himself.

The June 2026 example carries different provenance — institutional rather than personal, archival rather than emotional. It comes not from McQueen's hand but from the heart of the production itself, with the paper trail to prove it. Whether collectors value personal inscription over archival depth, or vice versa, is the question the June sale will answer.

What is not a question: the June 2026 Monaco is the most extensively documented example ever offered at auction. When Sotheby's calls it the "most storied and most screen-worn" example, they are not reaching for a superlative. They have the photographs to prove it. For context on how film-related luxury objects command extraordinary premiums at auction, the parallel of the Paul Newman Daytona 'John Player Special' estimated at over USD 1.2 million — and ultimately far more — is instructive: the market for watches with irreplaceable human stories attached has only one direction.

What the December 2024 Result Taught the Market

The December 2024 Sotheby's sale was, in its own right, a decisive market signal.

The Bev Weston Monaco — the one that sold for $1.44 million — was not expected to reach the heights of the 2020 Phillips result. The watch market had cooled considerably since the pandemic frenzy of 2021–22. Sentiment was cautious. The estimate of $500,000–$1 million felt appropriately conservative.

It sold for $1.44 million. The entire "Heuer Champions" collection was 92% sold and exceeded its pre-sale estimate as a whole. In a soft market, genuine provenance performed.

The lesson for the June 2026 sale is clear: when the provenance is real, when the documentation is iron-clad, when the story is this irreplaceable — the market will find its level. And that level, for a McQueen Monaco, appears to be significantly above where most people begin their estimates. For a useful primer on the broader landscape of vintage Swiss watch collecting and what makes certain pieces appreciate over time, our comprehensive guide to vintage Swiss watches as a collector's treasure provides essential context.

The Ref. 1133B: What You Are Actually Bidding On

Strip away the mythology and examine the physical object - because the object itself, independent of everything else, is extraordinary.

The case: 40mm wide. Square stainless steel, with the crisp unpolished angles that characterise an honest, unrestored example. The case design remains completely singular in fine watchmaking - no other manufacturer has produced anything that looks remotely like it over fifty-five years of attempting to.

The movement: Calibre 11 automatic, 20 jewels. One of the world's first self-winding chronograph movements. The engineering ambition packed into this case in 1969 was, by any measure, extraordinary.

The dial: Blue - "B" for bleu in the Heuer reference coding. Two white subdials at 3 and 9. Applied indices. Total legibility. Total clarity. A dial designed not to be admired at a dinner table but read at speed, in gloves, under stress.

The crown: Left side. Functional. Correct. Still - half a century later - the detail that watch people cite first when explaining why the Monaco matters.

The documentation: 400 documents. 200+ photographs. Letters from Jack Heuer. The full archive of the most important watch story in the history of the brand.

The Living Legacy: From Le Mans to Formula One, 2026

The Monaco is not a museum piece. It is a living design that has never stopped being relevant.

TAG Heuer - born from the 1985 merger between Heuer and TAG - reintroduced the Monaco in 1998 and has produced it continuously ever since. In 2025, TAG Heuer became the official timekeeper of Formula One, replacing Rolex. Max Verstappen - the most dominant driver of his generation - wears a Monaco on his wrist at race weekends. The watch has gone from the wrist of a Hollywood actor playing a fictional driver to the wrist of the best actual driver on earth.

In May 2025, to mark the Monaco Grand Prix, TAG Heuer released three new Monaco Chronograph variants — each a different interpretation of the original vision. The McQueen-inspired model featured a strap made from white Nomex, the fire-resistant material used in McQueen's original racing suit from the film. A direct textile thread, fifty-five years long, from screen to wrist. That same dedication to racing heritage runs through every TAG Heuer product connected to motorsport — the TAG Heuer Carrera x Porsche RS 2.7 Limited Edition and the TAG Heuer Formula 1 Chronograph both speak to a brand whose identity is inseparable from the racing world it helped define.

In April 2026, the newest Monaco Chronograph generation arrives: 39mm titanium case, domed sapphire crystal, 100 metres of water resistance, from $9,350. The most accessible entry point into the most consequential watch legacy in the history of the sport.

The gap between $9,350 and $1.4 million — or whatever the June 2026 gavel falls at — is not a quality gap. It is a history gap. And some gaps are permanent.

For the Collector: The Investment Case, Plainly Stated

The three auction results for screen-worn Le Mans Monacos tell a clear story:

The 2024 result was lower than 2020 in nominal terms, reflecting a cooler market. But the 2026 example carries materially stronger documentation than either previous sale. Sotheby's own language — "most storied and most screen-worn" — is not marketing copy. It is a provenance assertion backed by 400 documents and over 200 photographs.

The Paul Newman Daytona — the single most famous watch auction result in history at $17.7 million — achieved its price because of scarcity, Hollywood provenance, category dominance, and fifty years of compounding mythology. The McQueen Monaco shares every element of that formula. What it lacks, relative to the Daytona, is the depth of the global Rolex collecting infrastructure. But that gap may be narrowing: TAG Heuer's ascent to official F1 timekeeper — the role Rolex occupied for a decade — places the Monaco at the centre of the world's most watched motorsport, every race weekend, on the wrist of the champion. The brand's profile is rising. The mythology is compounding.

For a serious collector with a long time horizon, the June 2026 sale represents a potentially once-in-a-lifetime opportunity. The last broadly equivalent example sold for $2.2 million in 2020. This one is better documented. The market has matured. The brand is stronger. Do the arithmetic.

Epilogue: The Archive That Survived

Don Nunley didn't keep the watch in a safe. He kept it the way a working man keeps something he values — carefully, but practically, as part of his professional life and personal history. The letters from Jack Heuer, the photographs from the set, the documentation of how a watch became an icon — Nunley preserved all of it, not because he anticipated the auction it would one day enable, but because he understood, instinctively, that what had happened in that French summer was significant.

He was right. It was.

On June 15, 2026, in a room in New York, a bidder will raise a paddle and acquire not just a square of stainless steel from 1969, but the full documented story of how a commercial failure became the most culturally important watch in the history of motorsport.

Steve McQueen wore it. Jack Heuer wrote about it. Don Nunley kept the record of it.

Now it belongs to whoever wants it badly enough.

Full Auction Details

Watch: Heuer Monaco Ref. 1133B — the "most storied and most screen-worn" Le Mans example
Sale: Sotheby's Important Watches, New York
Date: June 15, 2026
Estimate: $500,000–$1,000,000
Pre-sale exhibition: Grimaldi Forum Monaco, through April 25, 2026; then Sotheby's New York from early June

Technical Specifications: Heuer Monaco Ref. 1133B