The Monaco beyond Steve McQueen

How Heuer’s radical square chronograph became a family of watches rather than a single famous reference

The Heuer Monaco is so closely associated with Steve McQueen that it is easy to forget an important detail: the Monaco was never just one watch.

The model introduced in 1969 was designed to showcase Heuer’s new automatic Chronomatic movement in the most unmistakable way possible. Its square waterproof case, blue dial and left-side crown made it unlike any conventional chronograph of the period. The version later worn by McQueen in Le Mans was the automatic reference 1133B, and that association became so powerful that it still shapes the way most people understand the entire Monaco collection.

Yet Heuer continued to develop the Monaco after its original launch. Automatic and manually wound references appeared in different layouts, colours and configurations, each preserving the square architecture while offering a different interpretation of the original idea. The three-register, hand-wound blue Monaco belongs to that broader history. It resembles the watch made famous on screen, but tells a distinct story of its own.

A square watch that was never meant to be discreet

Before the Monaco appeared, the established rules of chronograph design were remarkably consistent. Cases were generally round, dials were arranged for clarity and even sporting watches retained a degree of traditional restraint.

The Monaco ignored almost all of that.

Its large square case was not merely decorative. It was conceived as a visual declaration that Heuer’s new automatic chronograph was different from everything that had preceded it. The Carrera and Autavia were adapted to house the larger Chronomatic movement, but the Monaco was created as an entirely new model, deliberately designed to carry Heuer into the 1970s.

That decision produced one of the most recognisable silhouettes in watchmaking. The dial did not sit quietly inside the case; the case became part of the dial’s visual identity. Strong horizontal and vertical lines framed the registers, while contrasting colours emphasised the chronograph functions. Even today, a Monaco is difficult to mistake for anything else.

The irony is that the qualities now celebrated by collectors were initially challenging for the market. The Monaco was unconventional, large and visually assertive at a time when many buyers still preferred familiar round watches. Heuer discontinued the original family around 1975, while the more traditional Carrera and Autavia survived the difficult decade.

Steve McQueen and the reference that became the legend

The Monaco’s cultural reputation changed forever through the 1971 film Le Mans. McQueen wore a blue automatic reference 1133B, paired with a white racing suit carrying the Heuer and Gulf colours. Several watches were used during production, and surviving examples connected directly to the film have since become important historical objects.

The relationship between McQueen and the Monaco deserves its place in the story, but it can also obscure the rest of the collection. His watch was an automatic two-register model with a date display and the crown positioned on the left, an arrangement that emphasised the self-winding nature of the Calibre 11. It was not the only Monaco Heuer made, nor does every blue Monaco qualify as the “McQueen reference.”

That distinction matters, especially when describing a specific vintage example. A watch can share the same dramatic case and closely related colour scheme without being identical to the one seen in the film. The connection should enrich the historical context rather than replace the actual identity of the watch.

Why Heuer introduced a manually wound Monaco

Heuer did not abandon the Monaco concept after the automatic launch. Instead, it broadened the family with manually wound versions intended to make the design available in a more accessible form. The official TAG Heuer vintage archive identifies reference 73633 as a hand-wound Monaco powered by the Valjoux 7736. The blue reference 73633B used a colour scheme closely related to the automatic “McQueen” Monaco, but added a third register at nine o’clock for the running seconds.

This changed more than the movement. The crown moved to the right-hand side of the case, joining the chronograph pushers in a more conventional arrangement. The dial became a three-register composition, with separate displays for the running seconds, chronograph minutes and chronograph hours. Christie’s documents the reference 73633B as a steel, manually wound Monaco from around 1971, fitted with the Valjoux 7736 and three white subsidiary dials.

The hand-wound version was therefore not a simplified imitation of the automatic Monaco. It was a legitimate continuation of the model, using a proven chronograph calibre and a dial layout with its own visual balance. The third register gives the watch a more traditional chronograph architecture, yet the square case prevents it from ever becoming conventional.

The appeal of the Valjoux 7736

The Valjoux 7736 was a natural choice for a manually wound Monaco. It offered a robust three-register chronograph layout, including a twelve-hour counter, while remaining practical to service and maintain. In a watch already defined by an experimental exterior, the use of an established manual chronograph movement created a useful contrast: radical design surrounding familiar mechanics.

That combination has its own appeal for collectors. The automatic Monaco is historically important because of Project 99 and the race to develop an automatic chronograph. The manually wound Monaco offers something different. Its movement is more traditional, its crown placement more familiar and its three-register dial more closely aligned with classic chronograph design.

What it shares with the automatic version is the part that mattered most visually: the uncompromising square Monaco case.

The Monaco became more important after it disappeared

The original Monaco family did not remain in production long enough to become an immediate, uninterrupted success. Its modern reputation was built later, as collectors and designers began to understand how unusual the watch had been.

TAG Heuer revived the Monaco in 1997, and the many re-editions that followed helped establish the square case as a permanent element of the brand’s identity. The model that once appeared too unconventional eventually became one of the clearest visual signatures in modern watchmaking.

This reversal is central to the Monaco’s appeal. It was not a conservative design that gradually became familiar. It was a difficult design that history eventually caught up with. The market that had once hesitated before its proportions and colours later celebrated precisely those characteristics.

The manually wound references form an important part of that evolution. They demonstrate that Heuer regarded the Monaco as more than a showcase for one movement. The company believed strongly enough in the case and design to develop the watch into a broader collection.

About this watch

The watch presented here is a manually wound, blue, three-register Heuer Monaco. Its visible configuration is strongly consistent with the reference 73633B, the Valjoux 7736-powered version documented in Heuer’s historical archive. The third subsidiary dial at nine o’clock and the crown on the right distinguish it immediately from the automatic reference 1133B worn by Steve McQueen.

That distinction should be understood as part of the watch’s appeal rather than treated as a limitation. It belongs to the same pioneering Monaco family and retains the case and colour language that made the model famous, but it represents the manually wound branch of the collection. The three-register layout gives the dial its own character, while the Valjoux architecture connects it to the tradition of classic hand-wound chronographs.

The condition of this example is particularly notable. Its case, dial and overall presentation appear remarkably well preserved for a Monaco of this age, an important quality in a model whose strong surfaces and distinctive geometry can quickly lose definition through wear or excessive refinishing.

Final publication of the exact reference, movement and originality assessment should follow inspection of the engravings between the lugs and a clear movement photograph. Until those details are available, the most accurate description is that this watch is a three-register, manually wound Heuer Monaco consistent with reference 73633B. That careful distinction protects both the historical integrity of the article and the credibility of the watch being offered.

Closing thoughts

The fame of the Monaco may begin with a square blue automatic chronograph on Steve McQueen’s wrist, but it does not end there.

The manually wound three-register version reveals something more interesting about Heuer’s confidence in the design. The company did not treat the Monaco as a single technical showcase that had completed its purpose in 1969. It continued developing the model, placing different movements and dial arrangements inside the same radical architecture.

That is why this watch deserves to be understood on its own terms. It does not need to be presented as the McQueen reference to justify its place in Monaco history. Its significance lies in showing that the square case was strong enough to outlive the movement for which it had originally been created.

The automatic Monaco introduced the shape.

The hand-wound Monaco proved the shape had become an identity.