In 1927, swimmer Mercedes Gleitze carried a Rolex Oyster during a widely publicized attempt to repeat her English Channel crossing. After more than ten hours in the water, she abandoned the swim. The watch reportedly kept working.
Hans Wilsdorf, the entrepreneur behind the Rolex name, publicized the result in a prominent Daily Mail advertisement. Although the repeat crossing had failed, the watch had endured an unusually demanding demonstration of water resistance.
The episode reflected a method Wilsdorf had developed over years: improve the wristwatch, establish its performance and make that achievement visible to the public. His career began in the Swiss watch trade, took shape in London and eventually extended beyond Rolex to Tudor and a foundation that survived him.
A Quick Look at the Life of Hans Wilsdorf
Biography Summary
Hans Wilsdorf (1881–1960) was a German-born watch entrepreneur who co-founded Wilsdorf & Davis in London in 1905 and introduced the Rolex name in 1908. Working with Swiss watchmaking partners, he promoted accurate, practical wristwatches and helped establish Rolex’s reputation through chronometer testing, the Oyster case and the Perpetual self-winding system. He later founded a separate Tudor company and established the Hans Wilsdorf Foundation.
Profile
Full Name: Hans Wilsdorf
Born: 22 March 1881
Birthplace: Kulmbach, Bavaria, German Empire
Died: 6 July 1960, aged 79
Nationality: German, subsequently British
Best Known For: Founding the business that became Rolex and establishing Montres Tudor S.A.
Major Organizations: Wilsdorf & Davis; Rolex; Montres Tudor S.A.; Fondation Hans Wilsdorf
Field: Watchmaking, watch distribution and brand development
From Bavaria to the Swiss Watch Trade
Hans Wilsdorf was born in the Bavarian town of Kulmbach on 22 March 1881. His father worked in the ironmongery trade, but the family circumstances changed sharply during Wilsdorf’s childhood. He lost both parents by about the age of twelve.
His maternal uncles helped arrange the children’s schooling after the family’s business was sold. Wilsdorf attended school in Coburg, where accounts of his early life describe an aptitude for mathematics and foreign languages. He later gained commercial experience in the pearl-export trade.
His route into watches began in Switzerland. Around 1900, he worked for the watch-export business Cuno Korten in La Chaux-de-Fonds, handling correspondence. It was a commercial entry into a trade in which Swiss suppliers, overseas customers and the presentation of a watch all mattered.
In 1903, at roughly twenty-two, Wilsdorf moved to London. Britain was a substantial market for Swiss watches and a route to buyers overseas.
A London Partnership Built Around the Wristwatch
Wilsdorf and Davis founded Wilsdorf & Davis in 1905. The London firm sourced Swiss movements and distributed watches. Davis helped finance the venture, while Swiss firms provided technical expertise.
One of the most important partners was the Aegler firm in Bienne, which supplied small, precise movements. Wilsdorf’s relationship with the Swiss manufacturer, including Hermann Aegler, gave his business access to technical capabilities that supported its commercial aims.
At the time, the pocket watch remained the established model for dependable personal timekeeping. Wristwatches were often associated with jewelry and regarded skeptically as precision instruments. Wilsdorf concentrated on a different proposition: a wristwatch could be convenient without sacrificing reliability.
The opportunity depended on more than making a smaller watch. Customers needed a reason to trust what they wore, and a watch business needed an identity they could recognize. Wilsdorf would pursue both.
Giving Rolex a Name and Measurable Credibility
In 1908, Wilsdorf introduced and registered the name Rolex. The brand came three years after the creation of Wilsdorf & Davis; it was not the original name of the London partnership.
Wilsdorf later gave a fanciful account of how he found the name. He recalled experimenting with letter combinations until, while riding atop a horse-drawn omnibus in London, “a genie whispered ‘Rolex’ in my ear.”
With the name established, the firm put its emphasis on demonstrated precision. In 1910, a Rolex wristwatch received a Swiss chronometric-precision certificate from the Official Watch Rating Centre in Bienne. Rolex identifies it as the first Swiss certificate of its kind for a wristwatch.
Four years later, a Rolex wristwatch earned a Class A certificate from the Kew Observatory in Britain, a demanding classification associated with marine chronometers. These tests gave Wilsdorf a way to argue for wristwatch accuracy using external measurements rather than advertising claims alone.
The company also changed its base. Rolex operations moved to Geneva in 1919, and Montres Rolex S.A. was registered there in 1920. The Swiss company grew from the partnership Wilsdorf had started in London.
From an Awkward Sealed Case to the Oyster
Precision was only one obstacle. Dust and moisture could damage a watch movement, and in a 1914 letter to Aegler, Wilsdorf pressed for a waterproof wristwatch.
An early answer arrived in 1922. Rolex introduced the Submarine, a water-resistant design with an additional sealed outer case. The extra case guarded the movement, but the wearer had to open it to wind or set the time. Even Rolex’s own history describes the arrangement as impractical.
The Oyster, introduced in 1926, addressed the problem differently. Its water-resistant case relied on screwed-down parts, including the winding crown, to seal the movement. The result was a more practical design for a wristwatch intended to be used rather than kept behind an additional cover.
The Oyster drew on work beyond Rolex. Paul Perregaux and Georges Perret had patented an earlier screw-down crown design, and Wilsdorf acquired rights to it. The watch represented a substantial advance in practical sealing, built from several technical contributions.
The Channel Attempt That Tested a Watch
The following year brought the Oyster an unusually visible demonstration. Mercedes Gleitze had already completed an English Channel crossing, but that achievement had been challenged. Her later, publicized attempt was intended to vindicate the earlier swim.
During the 1927 repeat attempt, Gleitze carried a Rolex Oyster. She remained in the water for more than ten hours without completing the crossing; the watch reportedly continued to function despite the long immersion.
Wilsdorf used the result to publicize the Oyster in the Daily Mail. Rather than relying entirely on a laboratory result or an engineering description, the advertisement linked the watch’s performance to a demanding public event. The episode became an early example of Rolex using an accomplished person and a real-world challenge to demonstrate what a product could do.
Making the Oyster Wind Itself
The Oyster case improved protection, but a manually wound watch still required the crown to be unscrewed regularly. In 1931, Rolex developed its Perpetual rotor, using the motion of the wearer’s wrist to wind the mainspring.
Automatic winding complemented the Oyster case by reducing how often its crown needed to be opened. Rolex patented the rotor system that year.
Automatic wristwatches predated the Perpetual rotor: John Harwood filed a self-winding wristwatch patent in 1923. Rolex’s contribution was its influential rotor mechanism and the way it worked with the sealed Oyster case.
As with the Oyster case, engineers and manufacturing partners contributed the technology. Wilsdorf led the business that brought their work into a recognizable product line.
Wartime Letters to Prisoners of War
During the Second World War, some British prisoners of war sought Rolex watches by correspondence. Surviving letters show Wilsdorf responding personally to these requests.
A letter dated 9 February 1943, signed by Wilsdorf as director, answered a request from RAF prisoner James “Jim” Tyrie at Stalag Luft III. The reply told Tyrie that, during the war, “you must not even think of settlement.” It was an offer to defer payment, not proof that a watch reached him. The archive records that Tyrie did not follow through with the order.
Another prisoner, Lieutenant J. Peter Hewlett, had a Rolex watch sent in connection with his 1942 correspondence. His case shows that at least one wartime prisoner arrangement went beyond an offer, though the surviving records do not establish how many watches Rolex sent.
Tudor: A Different Price Point, a Separate Company
Wilsdorf’s ambition in watches was not confined to Rolex. The Tudor name had its own, earlier history: a dealer registered the “The TUDOR” trademark on his behalf in February 1926, and the rights passed formally to him in 1936. Tudor-branded watches were reaching distributors in Australia by 1932.
On 6 March 1946, Wilsdorf established Montres Tudor S.A. The separate company was a new step for a brand whose name had already been in use for two decades.
Wilsdorf described his aim as “a watch that our agents could sell at a more modest price than our Rolex watches” while retaining dependable technical characteristics and service. Tudor would serve a different price segment while drawing on Rolex-backed support.
Dedicated Tudor advertising appeared in 1948, emphasizing its link with Rolex. As the company subsequently developed Oyster and Oyster Prince watches, durability and value remained central to the brand’s identity.
A Foundation and the Final Rolex Years
Wilsdorf’s wife died in 1944. The following year, he established the Fondation Hans Wilsdorf.
The foundation now owns the Rolex group, receives dividend income and supports public-interest activities. Its current areas of assistance include social and health needs; education, training and workplace integration; culture; humanitarian causes; and animals and ecosystems. Much of its work is connected with Geneva.
Wilsdorf remained active in Rolex’s leadership. He held various board posts over the decades and served as director-general and a board member from 1945 until his death.
Rolex’s range broadened in Wilsdorf’s later years. The company introduced the Datejust in 1945, the Explorer and Submariner in 1953, the GMT-Master in 1955 and the Day-Date in 1956. Rolex Oyster Perpetual watches equipped the 1953 Everest expedition, which helped inspire the Explorer. These were achievements of the company he led and its watchmaking teams.
Hans Wilsdorf died on 6 July 1960, aged seventy-nine. The London partnership he began with Alfred Davis had grown into a watch business with two established brands.
What Hans Wilsdorf Left Behind
Wilsdorf helped change the wristwatch’s place in the market by joining technical improvements with persuasive demonstrations. Independent precision certificates, the Oyster case and the Channel swim publicity each gave customers a different reason to take Rolex watches seriously.
That work depended on commercial partners and watchmakers as well as Wilsdorf’s leadership. Tudor later opened another price segment, while the foundation created during his lifetime now owns Rolex and supports public-interest work. His lasting influence lies not only in the watches but also in the businesses and institutions that continued after him.
Timeline
These milestones trace the main changes in Hans Wilsdorf’s life, businesses and watchmaking ventures.
22 March 1881
Hans Wilsdorf is born in Kulmbach, Bavaria.
Around 1900
Hans Wilsdorf works in the watch-export trade in La Chaux-de-Fonds, Switzerland.
1903–1905
Wilsdorf moves to London in 1903 and co-founds Wilsdorf & Davis with Alfred Davis in 1905.
1908–1914
Wilsdorf introduces the Rolex name in 1908. Rolex wristwatches receive a Swiss precision certificate in 1910 and a Kew Observatory Class A certificate in 1914.
1919–1920
Rolex operations move to Geneva in 1919; Montres Rolex S.A. is registered there in 1920.
1922
Rolex introduces its water-resistant Submarine design, whose outer protective case proves inconvenient for winding and setting.
1926–1927
The Oyster water-resistant case is introduced in 1926. Mercedes Gleitze carries an Oyster during her unsuccessful repeat Channel attempt in 1927; the watch reportedly continues working, and Wilsdorf publicizes the result.
1931
Rolex develops and patents its Perpetual rotor self-winding system.
1942–1943
Surviving letters record Wilsdorf’s involvement in Rolex watch arrangements with British prisoners of war.
1945
The Fondation Hans Wilsdorf is created. Rolex introduces the Datejust.
6 March 1946
Wilsdorf creates Montres Tudor S.A. The Tudor trademark had been registered on his behalf in 1926.
1953–1956
Rolex introduces the Explorer, Submariner, GMT-Master and Day-Date during Wilsdorf’s later leadership.
6 July 1960
Hans Wilsdorf dies at age seventy-nine.
FAQs
Did Hans Wilsdorf invent the wristwatch?
No. Hans Wilsdorf built a business around precise, practical wristwatches. He developed and marketed Rolex products with Swiss manufacturing partners rather than inventing the wristwatch itself.
Did Mercedes Gleitze complete the Channel swim while carrying a Rolex?
No. Gleitze had previously completed a Channel crossing, but the 1927 repeat or vindication attempt during which she carried a Rolex Oyster was unsuccessful. The watch reportedly continued to function after more than ten hours in the water.
Was Rolex the first company to make an automatic wristwatch?
No. John Harwood filed a patent for a self-winding wristwatch in 1923. Rolex’s 1931 achievement was its Perpetual rotor mechanism and its combination with the water-resistant Oyster design.
Did Tudor begin in 1926 or 1946?
The Tudor trademark dates to 1926, when “The TUDOR” was registered on Hans Wilsdorf’s behalf. Tudor-branded watches circulated before the Second World War, but Wilsdorf did not establish the separate company Montres Tudor S.A. until 6 March 1946.
Who owns Rolex today?
The Fondation Hans Wilsdorf, created in 1945, owns the Rolex group. It receives dividend income and supports public-interest causes, including education, culture, social and health programs, humanitarian work, and animals and ecosystems.
Further Reading
- The Making of a Status Symbol: A Business History of Rolex — Pierre-Yves Donzé’s book-length business history of Rolex, published by Manchester University Press.
- Rolex’s Oyster Story — an illustrated institutional history of the Oyster and the watch’s early demonstrations.
Sources
- University of Lausanne: Hans Wilsdorf in the Swiss Elites Database.
- Fratello Watches: A Brief History of Time: Rolex — Part One (1905–1945).
- Pierre-Yves Donzé / Manchester University Press: The Making of a Status Symbol: A Business History of Rolex (research listing and excerpts).
- Rolex: History: 1905–1919, History: 1926–1945, Mastering Waterproofness, Oyster Story: A Visionary Undertaking, Oyster Perpetual: The Fulfilment of a Vision, History: 1953–1967.
- International Swimming Hall of Fame: Mercedes Gleitze.
- U.S. Patent Record: John Harwood’s self-winding wristwatch patent.
- Tudor: The Origins: 1926–1949, Tudor History press dossier and Wilsdorf’s 1946 statement.
- International Bomber Command Centre Digital Archive: Letter to Jim Tyrie from Montres Rolex S.A. (9 February 1943).
- Christie’s: Auction press release documenting the J. Peter Hewlett POW correspondence (2007).
- Fondation Hans Wilsdorf: The Foundation.
- Abendzeitung München: Ein Franke erfand die berühmteste Uhr der Welt.