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News, updates about IPR and its training programs, news about watchmaking, watches, articles about unnecessary complications , and much more.


Morgan Maillard and Vacheron Constantin’s Concours d’Élégance Horlogère — IPR Interview at Watches and Wonders 2026
At Watches and Wonders Geneva 2026, the IPR interviewed Morgan Maillard of Vacheron Constantin about his career and the brand’s new Concours d’Élégance Horlogère.

Nuno Margalha
Oct 142 min read


The clandestine restoration of the Panthéon clock in Paris
In 2005–06 the Untergunther secretly restored the Panthéon's 1824 Wagner clock in Paris, were taken to court and acquitted. The story of a remarkable restoration.

Nuno Margalha
Oct 137 min read


Azurea Portugal: Swiss precision in Maia — A Conversation with Vincent Skrzypczak
The Instituto Português de Relojoaria visits Azurea Portugal in Maia and talks to CEO Vincent Skrzypczak about high-precision watch components made in Portugal.

Nuno Margalha
Oct 132 min read


Video referee watches: officiating technology on the wrist
The story of the watches worn by World Cup referees and how the technology that now supports decisions on the pitch has evolved, from stopwatch to smartwatch.

Nuno Margalha
Oct 137 min read


Marine chronometers: the watchmaking that made it possible to find longitude
A historical and technical study of marine chronometers: Harrison, Le Roy, Berthoud, Arnold, Earnshaw, escapements, the fusee and the GUB No. 7986 of the Sagres.
IPR – Instituto Português de Relojoaria
Oct 1220 min read


Jacquemart Automata | Meuron & Cia. | Repeater | Gold | 1810
Jacquemart himself stands in Dijon: a bronze man in a wide-brimmed hat. The story of bell-striking automata and an 1810 gold repeater by Meuron & Cia.

Sílvio Pereira
Oct 119 min read


Triple Calendar | Moon Phases | Polished Tempered Steel | 1895
Great complications: two triple calendar pocket watches and the history of calendar watches, from the Julian calendar to the perpetual calendar.

Sílvio Pereira
Oct 1111 min read


Sundial | Equinoctial | with Compass | Brass | 2010
A brass pocket equinoctial sundial with compass: how it is used, how equinoctial (equatorial) sundials work, and the giant Samrat Yantra in Jaipur.

Sílvio Pereira
Oct 117 min read


Jumping hours | Double calendar | Moon phases | 1915 | Gold
A unique 1915 gold pocket watch with jumping hours, double calendar and moon phases, an 1890s A. Kaiser, and the story of Pallweber's digital watches at IWC.

Sílvio Pereira
Oct 116 min read


Little watchmakers filled the afternoon at the Medeiros e Almeida Museum
On World Watch Day, the IPR took its Little Watchmakers' Workshop to the Medeiros e Almeida Museum in Lisbon. From 2 pm to 7 pm we had our hands full.
IPR – Instituto Português de Relojoaria
Oct 113 min read


Chronograph | Levrette | Monopusher | Silver | 1900
A 1900 Levrette monopusher pocket chronograph in silver: technical sheet, photos and a brief history of the chronograph, from Louis Moinet to today.

Sílvio Pereira
Oct 1110 min read


Jacob Kretz | Automatic | 1810 | Gold
In the early 19th century Jacob Kretz devised his own self-winding system. A rare 1810 gold pocket watch, a Loehr of 1880 and the history of the automatic.

Sílvio Pereira
Oct 1111 min read
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