Snowflake: the hand born for diving that became an icon

08.10.2026

In the world of military dive watches, certain aesthetic details were not designed simply to appeal to the eye. They were born out of operational necessity. This is precisely the case with the so-called “Snowflake” hand, instantly recognisable by the geometric, angular shape of its hour hand. Today inseparable from TUDOR’s identity, the Snowflake first appeared in 1969, notably on the TUDOR Oyster Prince Submariner references 7016 and 7021. At the time, the brand already had close ties with the world of professional and military diving, particularly with the French Navy. But contrary to what its iconic status today might suggest, its shape was originally designed to address a very practical challenge: allowing divers to read the time quickly and unambiguously underwater.

Why was the Snowflake hand created?

Underwater, and even more so during a military dive, the legibility of a watch is not simply a matter of comfort. Light levels decrease with depth, colours gradually disappear, and conditions can become particularly challenging: poor visibility, murky water, darkness, operational stress… A diver must be able to identify the essential information on their watch immediately. The new design introduced by TUDOR in 1969 combined large square hour markers with angular hands featuring substantial luminous surfaces. This geometry allowed more luminescent material to be applied, helping the display remain visible for longer in the dark. For French Navy divers, this represented a particularly relevant improvement. The distinctive shape of the hour hand offered another advantage: it made it possible to distinguish the hour hand from the minute hand very quickly. This distinction is particularly important on a dive watch, where reading the minutes plays an essential role in monitoring the time spent underwater. In other words, the Snowflake perfectly illustrates one of the fundamental principles of the tool watch: form follows function.

Why is it called “Snowflake”?

The name might suggest that a designer deliberately set out to reproduce the shape of a snowflake. However, this is not the origin of the term. “Snowflake”, literally “flocon de neige” in French, was a nickname later given by collectors in reference to the distinctive silhouette of the hands. TUDOR itself explains that these angular hands were given the nickname within collector circles because their shape was reminiscent of a snowflake. The nickname eventually became so popular that it is now firmly established in watchmaking vocabulary.

The Snowflake and the French Navy

The history of this hand takes on a particular significance when viewed in the context of French military dive watches. The collaboration between TUDOR and the French Navy dates back to the 1950s. As early as 1956, the French Navy’s underwater research and study group received Oyster Prince Submariner watches to test under real-world conditions. This relationship would continue for several decades. When reference 7016 and its new design appeared in 1969, this evolution therefore found a natural place in an environment where robustness and legibility were essential. From 1974 onwards, some TUDOR dive watches even received the famous “TUDOR M.N.” engravings, followed by the year of issue. These military watches are now particularly sought after by collectors. Reference 9401, which appeared in the mid-1970s with its famous blue dial and bezel, would become one of the most emblematic TUDOR watches used by the French Navy. Some of these watches would remain in service for decades, notably at the French Navy diving school and among combat swimmers.

From a technical solution to a visual identity

This is probably where the story of the Snowflake becomes most interesting. Originally, the design was above all functional: to create large luminous surfaces, improve legibility and make it easier to distinguish between the hands. But this constraint gave rise to something far more powerful: an identity. A watch fitted with a Snowflake hand is recognisable almost instantly. At a time when many dive watches shared similar characteristics — dark dials, luminous hour markers, rotating bezels and robust cases — this distinctive geometry created an immediately identifiable personality. The design would remain associated with TUDOR dive watches for many years. The brand states that the Snowflake configuration was used exclusively on its dive watches until the mid-1980s.

How the Snowflake influenced the world of dive watches

The influence of the Snowflake is not simply a question of how many watches adopted its exact shape. Above all, it lies in the design principle it embodies. On a tool watch, the hands should not merely be elegant: they must be immediately identifiable. Their length, width, geometry, contrast against the dial and the amount of luminescent material they can accommodate all directly contribute to legibility. The Snowflake takes this principle particularly far: the hour hand has a silhouette so different from the minute hand that the risk of confusion is significantly reduced. In doing so, it helped establish a very distinctive aesthetic in the world of dive watches: bold, geometric, high-contrast and entirely focused on legibility. And it is precisely this utilitarian origin that gives the Snowflake its legitimacy today. The Snowflake is not an artificial stylistic feature applied to a watch simply to give it a military appearance. It belongs to an era when the mechanical watch was still a genuine instrument used by professionals underwater.

From military watch to contemporary icon

After disappearing from the collections, the Snowflake made a major comeback in 2012, when TUDOR launched the Black Bay and Pelagos. The brand reinterpreted several elements of its watchmaking heritage and once again placed the Snowflake hand at the heart of its contemporary identity. Today, it appears on many of the brand’s creations and remains particularly associated with the Pelagos family, the modern descendant of the professional dive watch. On the Pelagos, its function remains perfectly clear: the characteristic square tip of the hour hand still makes it instantly distinguishable from the minute hand. More than half a century after its introduction, this technical solution therefore remains as relevant as ever.

Snowflake: the symbol of the tool watch

The history of the Snowflake hand ultimately encapsulates much of the history of the military dive watch. It was born from a need for legibility. It accompanied watches used by professional and military divers. Its unusual shape gradually became instantly recognisable. Then, over time, this purely functional element evolved into a genuine aesthetic signature. This is precisely what distinguishes great watch designs: they do not necessarily set out to become iconic. They become so because they fulfil a function particularly well. The Snowflake is one of the finest examples. Created to be seen underwater, more than fifty years later it has become one of the most instantly recognisable silhouettes in the history of the dive watch.

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Editor: Éric Barse

Journalist, entrepreneur, and founder of the websites www.cafe-racer-only.com and www.scooter-3-roues.com, Eric Barse divides his time between his passions: motorcycles, travel, and watches. A graduate of the Saint-Cyr military academy and the 2nd RPIMA (Parachute Regiment) before pursuing a career in communications and digital media, he has a true passion for authentic watches that have accompanied his two-wheeled adventures for many years, from the Indian Ocean to Africa and Latin America!