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Results for Tourbillon

2,130 articles · 113 videos found · page 18 of 75

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Flying Tourbillon

Alfred Helwig's 1920 tourbillon variant with no upper bridge; the entire cage is visible.

Wiki · Guide
Tourbillon

Breguet's 1801 rotating-cage escapement, explained.

SIHH 2015: Greubel Forsey Tourbillon 24 Secondes Vision Revolution
Greubel Forsey Tourbillon 24 Secondes Vision Feb 19, 2015

SIHH 2015: Greubel Forsey Tourbillon 24 Secondes Vision

Robert Greubel and Stephen Forsey have been called inventors first and watchmakers second. When visiting their manufacture, the diagrams and formulas that adorn many interior surfaces support this impression. The inventor reference is certainly no insult – the same might be said of Abraham-Louis Breguet. Greubel Forsey’s approach to watchmaking is, if not singular, certainly […]

Introducing – The Arnold & Son Constant Force 11 Platinum Edition Monochrome
Breguet s renowned tourbillon escapement Nov 20, 2025

Introducing – The Arnold & Son Constant Force 11 Platinum Edition

Friendships matter in life, and what better way to celebrate the bond between two of watchmaking’s greatest individuals than with a tribute watch? Bringing together Abraham-Louis Breguet’s renowned tourbillon escapement and John Arnold’s beloved fusée-and-chain system, lovingly replaced with a constant force mechanism, the Constant Force Tourbillon 11 made a deep impression when launched earlier […]

In-Depth: Balancing Mainspring Dimensions Inside the Barrel SJX Watches
Piaget Altiplano Tourbillon Concept Nov 7, 2025

In-Depth: Balancing Mainspring Dimensions Inside the Barrel

In a past story, we explained how multiple mainspring barrels can be paired in parallel or in series, for either lengthening a movement’s power reserve or increasing the torque discharged into the going train. In this article we expand on this topic to analyse the inside of the barrel by exploring how mainspring size balancing influences the torque output and power reserve.   Enthusiasts tend to throw around the loosely-defined term “mainspring packing” - especially when criticising a movement’s unsatisfying power reserve. This term refers to how a watchmaker can get a higher power reserve by balancing a spring’s dimensions and the space it occupies inside a barrel. While this sounds simple, the reality is more complicated.  Skeletonised barrel showing the tight coiled mainspring inside the Piaget Altiplano Tourbillon Concept. In order to set the record straight, it’s necessary to analyse the topic thoroughly. This requires getting a bit technical, but an interpretation is included for those less interested in the underlying maths. This theory-heavy deep-dive tries to unravel the concept of mainspring packing and explores why optimisation is not a very straightforward business. The core elements This section covers the basics of mainspring and barrel geometry and establishes their relation with power reserve and torque. In order to see how specific dimensions affect both torque and power reserve, we will resort to some known functions and a little geometric...

Highlights: Complicated Watches at Phillips Hong Kong SJX Watches
Jaeger-LeCoultre exotic tourbillon May 21, 2025

Highlights: Complicated Watches at Phillips Hong Kong

Phillips’ upcoming Hong Kong auction encompasses excellent complications at a range of price points. Highlights at the top end include the controversial Patek Philippe ref. 3448 “Senza Luna”, a massive Jaeger-LeCoultre exotic tourbillon, a skeletonized Credor chronograph, and a special-order Patek Philippe that was presumably a gift from parent to son. Also on the block are fine pocket watches for the Chinese market on the first day of the sale, while the second and third sale days include notable examples of independent watchmaking. The Hong Kong Watch Auction: XX takes place from May 23-25, 2025. The full catalogue, and more, is available on Phillips.com. Lot 839 – A. Lange & Söhne Triple Split In 2004, A. Lange & Söhne introduced the Double Split, a chronograph with both split-seconds and split-minutes–a feat previously only accomplished in pocket watches. Never one to stand still, Lange added split-hours into the mix with the Triple Split in 2018. The case is the brand’s typical fare, with distinctive stepped-out lugs, and continues its tradition of placing the split-button in the case band, rather than in the crown, as is the convention for wristwatches. This rose gold variation, of which only 100 were made, is matched with a handsome blue and silver dial. To create the Double Split, Lange built on the landmark L951 movement of the Datograph, adding a pair of rattrapante mechanisms, one for seconds and the other, minutes. From there, Lange added an hour...

Chronicles of Precision: The Quest for Equation of Time Part I SJX Watches
Breguet Marine Tourbillon Equation Marchante Nov 18, 2024

Chronicles of Precision: The Quest for Equation of Time Part I

Central to our comprehension of time is the intricate interplay between the celestial dance of heavenly bodies and the pursuit of accuracy. Throughout history, mankind’s perception and quantification of time has evolved with its interaction with the natural environment. From ancient times when the rhythm of the Sun governed daily existence to the modern day of standardised timekeeping ushered in by mechanical innovations, human ingenuity has been instrumental in shaping this odyssey. Unfolding within this tale is the rare horological complication, the equation of time, a captivating chapter in the ongoing saga of humanity’s temporal exploration. The Breguet Marine Tourbillon Equation Marchante 5887 with its kidney-shaped cam that governs the equation of time display. Image – Breguet Dawn of Timekeeping: Celestial Observations and Ancient Innovations The genesis of civilisation ushered in humanity’s bond with the cosmos, as early communities devotedly charted the celestial events that dictated the rhythm of their lives. This connection was not merely academic; the alternation of day and night, the moon’s phases, and the Sun’s shifting journey through the heavens were the foundation upon which the ancients built their methods of marking time. In civilisations like those of Mesopotamia, Egypt, and ancient China, a deep-seated knowledge of the heavens was crucial for survival. The predictable cycles of day and night governed the timing of essential activities such ...

Highlights: Independent Watchmaking at Phillips Hong Kong SJX Watches
F.P. Journe Tourbillon à Remontoir d’Egalité Nov 15, 2024

Highlights: Independent Watchmaking at Phillips Hong Kong

Independent watchmaking has been important in the auction space  for some time now, both in terms of repute and value. The recent Geneva auctions, for example, saw a new record set for the most expensive timepiece made by an independent – over US$8.32 million with fees for the F.P. Journe Tourbillon à Remontoir d’Egalité prototype “15/93”. Now as the auction season moves to Hong Kong, we bring you some of the interesting examples of independent pieces watching up going on the block at Phillips’ Hong Kong auction on November 22-24. It’s a two-part event: first Toki, a theme sale dedicated to watches related to Japan, and the traditional sale of varied offerings. The catalogues with online bidding for Toki and HKWA XIX. TOKI Lot 111 – Masahiro Kikuno Tourbillon 2012 Part of the TOKI sale are timepieces crafted by Japanese independent watchmakers. One such piece remarkable is this unique wristwatch with a tourbillon regulator from Masahiro Kikuno, a low profile but talented craftsman. An up-and-coming independent watchmaker, Masahiro Kikuno is one of the youngest members of the AHCI. The auction debut for Mr Kikuno, the present wristwatch was firstly presented at Baselworld 2011, along with a similar one encased in silver. The watch is unmistakably hand made and original in many respects, ranging from the fluid 18k gold case to the patterned dial to the movement architecture. Although executed in the traditional way, the movement has an unusual construction, ...

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Louis Erard x Alain Silberstein Tourbillon Mar 31, 2024

A Week in Watches Ep. 77: Mission to Watches & Wonders

Episode 77 of A Week in Watches is going to be slightly different. This episode has two hosts and no script! With the big event happening so soon (the next episode will be made from Watches & Wonders), we figured getting ready with a little Q and A would be fun. That said, two very different watches with prominent moon phase complications were also worth covering. Join Zach Kazan and Zach Weiss in the studio as they discuss the new releases and then answer some fantastic questions from the W&W;+ Slack community. This week’s episode was brought to you by the Windup Watch Shop, which recently added the new Louis Erard x Alain Silberstein Tourbillon to the catalog. It is a gorgeous piece of haute horology that showcases Mr. Silberstein’s unique style. Head over to WindupWatchShop.com to check them out, as well as accessories, EDC, clocks, and more. The post A Week in Watches Ep. 77: Mission to Watches & Wonders appeared first on Worn & Wound.