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6 September 2025
The Rolex Submariner: the story of a legend.

The Rolex Submariner: the story of a legend.

The Rolex Submariner is more than just a watch; it is an iconic timepiece that has achieved legendary status.
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2 March 2025
The difference between a chronograph and a chronometer

What is the difference between a chronograph and a chronometer?

In watchmaking, the terms 'chronometer' and 'chronograph' are frequently employed. However, it is important to note that they refer to two distinct objects.
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1 February 2025
Piaget watches – Polo model from the 1970s

Piaget, watches

The renowned brand Piaget was established in 1874 in the picturesque Swiss village of La Côte-aux-Fées, marking its place in the world of luxury watchmaking and jewellery.
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13 January 2025
Gemstones in watchmaking: Piaget with an onyx dial

Semi-precious stones used in watchmaking

Precious and semi-precious gemstones have always been the perfect accompaniment to jewellery and watchmaking.
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26 October 2024
the swimmer Mercedes Gleitze, wearing a Rolex watch featuring Oyster technology

The first publicity campaign for Rolex’s Oyster technology

In 1927, the watchmaker Rolex carried out one of the earliest examples of product placement to promote its Oyster technology.
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11 October 2024
Complication watches

Complication watches

While they are not as well known to the general public, watches with complications are highly prized by collectors.
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16 September 2024
Tudor watch for the French Navy

Tudor and the French Navy

The collaboration between Tudor - Rolex's second brand - and the French Navy began in the early 1950s.
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16 September 2024
Watch from the Cartier watch and jewellery manufacture

Cartier Jewellery and Watches

Cartier's jewellery and watchmaking: The company was founded in Paris in the 19th century by master jewellers who turned their attention to the prestigious field of watchmaking.
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6 September 2024
Rolex, the leading brand in diving watches – here the Submariner

Rolex: the benchmark of luxury

Rolex has been a leading symbol of luxury, significantly contributing to the advancement of the watchmaking industry's technological capabilities.
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5 September 2024
The Radium Girls case – photo of the paint shops

The Radium Girls Affair

In the 1920s, the particularly tragic case of the 'radium girls' caused widespread concern.
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4 September 2024
Bob Maloubier, the French spy behind the first diving watch, the Fifty Fathoms

Robert Maloubier, the French spy

Robert Maloubier is a French secret agent and adventurer who has close ties to the Swiss watch brand Blancpain.
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4 September 2024
Comex and Rolex collaboration

The partnership between Rolex and Comex

The collaboration between Rolex and Comex is an intriguing story that resulted in the creation of an iconic model.
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Guerin Expertise is a firm specialised in providing valuations for rare watches, both for industry professionals and private individuals

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