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Results for Breguet Numerals

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Breguet Numerals

The cursive italic Arabic numerals designed by Abraham-Louis Breguet ~1790; canonical haute-horlogerie dress watch numeral.

Pre-Basel 2015: Breguet Introduces Tradition Automatique Seconde Rétrograde Ref. 7097 Revolution
Breguet Introduces Tradition Automatique Seconde Jan 14, 2015

Pre-Basel 2015: Breguet Introduces Tradition Automatique Seconde Rétrograde Ref. 7097

Breguet’s claims to fame are many, to put it mildly –his list of firsts, and improvements on the designs of others, is one of the longest in the entire history of horology (his work on and experiments with escapements alone would keep a bevy of grad students in horological history busy for years, if there […]

The Breguet Classique Tourbillon Extra-Thin Automatic 5377 Revolution
Breguet Classique Tourbillon Extra-Thin Automatic Jul 26, 2013

The Breguet Classique Tourbillon Extra-Thin Automatic 5377

Breguet has introduced what is currently –as far as we have been able to determine –the world’s thinnest self-winding tourbillon.  The Classique Tourbillon Extra Thin Automatic Ref. 5377 is overall only 7mm thick –and the movement, Breguet calibre 581DR, is a mere 3mm thin. In 1801, Abraham Breguet received a patent for an invention he’d […]

Breaking News – The Breguet Classique Souscription 2025 Wins the GPHG 2025 Aiguille d’Or (And All Prize Winners) Monochrome
Breguet Classique Souscription 2025 Wins Nov 13, 2025

Breaking News – The Breguet Classique Souscription 2025 Wins the GPHG 2025 Aiguille d’Or (And All Prize Winners)

The 2025 edition of the Grand Prix d’Horlogerie de Genève has just unveiled the grand winner of this year’s awards ceremony, and the winner is a watch with a lot of sense. Often regarded as the Oscars of Watchmaking, the GPHG stands for a celebration of all things surrounding watchmaking. The jury has narrowed down […]

SJX Podcast: Urban Jürgensen’s Revival, Breguet’s Birthday, and Spring Auctions SJX Watches
Breguet s Birthday Jul 8, 2025

SJX Podcast: Urban Jürgensen’s Revival, Breguet’s Birthday, and Spring Auctions

SJX and Brandon Moore kick off episode seven of the SJX Podcast with the relaunch of Urban Jürgensen (which includes a tribute to Derek Pratt’s Oval pocket watch), discussing why this time might be different. Also on the docket is a recap of the spring auction season, which included strong prices for hot names in independent watchmaking, though other “indies” waned, surprising showings from hitherto esoteric clocks and pocket watches, and some value buys with out-of-vogue timepieces. Lastly, we recap Breguet’s 250th anniversary launches so far, which have met with a mixed reception, but demonstrate signs of life for a historic brand. Listen on Apple Podcasts, Spotify, and YouTube.  

Insight: The Overcoil Hairspring, From Breguet to Phillips SJX Watches
Breguet Jun 2, 2025

Insight: The Overcoil Hairspring, From Breguet to Phillips

While the invention of the spiral hairspring by Christiaan Huygens in 1675 kickstarted a revolution in terms of portable precision timekeeping, the concept was far from fully developed. It was arguably only with the later invention of the overcoil hairspring that the ideal oscillator in portable watches emerged. For many years horologists - theoreticians and artisans alike - worked to perfect the balance-hairspring assembly to optimise its performance, notably in terms of isochronism. True isochronism became a sort of holy grail for watchmakers all around the world, who all sought to ameliorate the inherent quirks of the sprung oscillator. The recent Breguet Soucription features an overcoil hairspring of non-magnetic Nivachron alloy The need for end curves The quest for isochronism was a true challenge for horologists. Isochronism is the ability of the balance-hairspring assembly the have the same period of oscillation for small and large amplitudes alike. In other words, the balance oscillation takes the same period of time regardless of the degree travelled. This is very important, since a balance usually swings with high amplitude with a fully wound mainspring and then runs at progressively smaller amplitude as the barrel unwinds. As a timepiece is required to keep good time regardless of  its winding state, an oscillator whose period is independent from its amplitude is needed. (Another solution to this is to optimise the energy delivery from the mainspring with a...