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Results for Greubel Forsey

1,127 articles · 33 videos found · page 10 of 39

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Introducing: The Armin Strom Mirrored Force Resonance Ruby Fratello
Armin Strom Mirrored Force Resonance Ruby Mar 3, 2026

Introducing: The Armin Strom Mirrored Force Resonance Ruby

Time flies when everything resonates nicely, doesn’t it? It sure does for Armin Strom. No fewer than 10 years have passed since the independent Swiss house launched its breakthrough resonance mechanism. Although not actively marketed as an anniversary model, I reckon it is safe to say this rather exuberant version, the Armin Strom Mirrored Force […] Visit Introducing: The Armin Strom Mirrored Force Resonance Ruby to read the full article.

Introducing – A Ruby Stone Dial for the Armin Strom Mirrored Force Resonance Monochrome
Armin Strom Mirrored Force Resonance Mar 2, 2026

Introducing – A Ruby Stone Dial for the Armin Strom Mirrored Force Resonance

In 2016, Armin Strom rocked the watchmaking scene with the release of its Mirrored Force Resonance, an incredible technical breakthrough that miniaturised the centuries-old concept of synchronised motion into the confines of a wristwatch. Using two independent oscillators coupled by a patented resonance clutch spring, Armin Strom breathed life into Christiaan Huygens’ observation that two […]

Introducing: The Armin Strom Gravity Equal Force Ultimate Sapphire Salmon Fratello
Armin Strom Gravity Equal Force Ultimate Dec 17, 2025

Introducing: The Armin Strom Gravity Equal Force Ultimate Sapphire Salmon

Did you know that during the Christmas period, salmon consumption rises sharply? A substantial share of annual sales happens in December, particularly in Europe. In fact, around 25% of all smoked salmon is sold during this time. And with that in mind, look at the new Armin Strom Gravity Equal Force Ultimate Sapphire Salmon. The […] Visit Introducing: The Armin Strom Gravity Equal Force Ultimate Sapphire Salmon to read the full article.

First Look – Armin Strom Gravity Equal Force Ultimate Sapphire Salmon Brings A New Pulse of Colour Monochrome
Armin Strom Gravity Equal Force Ultimate Dec 12, 2025

First Look – Armin Strom Gravity Equal Force Ultimate Sapphire Salmon Brings A New Pulse of Colour

Armin Strom’s celebrated Gravity Equal Force series expands with an elegant twist, the Ultimate Sapphire Salmon. Continuing the brand’s exploration of colour and transparency, this latest edition pairs technical mastery with artisanal finesse, featuring a hand-guilloché salmon mainplate and the brand’s innovative constant-force calibre, bringing new vibrancy to one of modern horology’s most inventive movements. […]

In-Depth: Breguet’s Constant-Force Magnetic Escapement SJX Watches
Breguet s Constant-Force Magnetic Escapement Dec 4, 2025

In-Depth: Breguet’s Constant-Force Magnetic Escapement

Earlier this week, Breguet rounded off its grandiose 250th anniversary with the unexpected launch of the Expérimentale 1 chronometer in Paris. Showcasing modern Breguet’s most impressive innovation to date - a magnetic constant-force escapement - the watch left many scratching their heads simply because the novel invention defies easy explanation. Here we explain the actual functioning of this remarkable invention, and why it represents such a significant step forward in terms of chronometry and escapement technology. The origins of the concept Before turning to the decidedly modern and futuristic Expérimentale 1, we must first take a short trip to the past and consider how the idea of using magnets in mechanical escapements first came to life. For that we must turn to the late 1930s, when Cecil Frank Clifford, Fellow of the British Horological Institute (BHI), started experimenting with oscillators maintained by magnetic rails or escape wheels.  He was granted a British patent in 1954 for a variety of magnetised escape wheels paired with elastic vibrating magnetic blades. The device would operate silently and Clifford envisioned it being used for naval underwater torpedoes, so the lack of ticking would be harder to pick up by sonars.  Iterations of Clifford magnetic escapements. His designs were rudimentary. The principle was that the escape wheel would be braked by a vibrating pair of magnetised blades (in several possible configurations), while simultaneously ...

Introducing: The Impressive Armin Strom Mirrored Force Resonance Zeitgeist 1665 Fratello
Armin Strom Mirrored Force Resonance Zeitgeist Oct 17, 2025

Introducing: The Impressive Armin Strom Mirrored Force Resonance Zeitgeist 1665

Armin Strom continues expanding its impressive Resonance series with new models. For its latest creation, the brand combines the style of traditional horology with its incredible skill and craftsmanship in contemporary watchmaking. The result is the Armin Strom Mirrored Force Resonance Zeitgeist 1665, a watch that tells the story of mastering the art of horological […] Visit Introducing: The Impressive Armin Strom Mirrored Force Resonance Zeitgeist 1665 to read the full article.

Introducing – The New De Bethune DB25xs Starry Varius, A Celestial Beauty in a More Compact Form Monochrome
De Bethune DB25xs Starry Varius Sep 3, 2025

Introducing – The New De Bethune DB25xs Starry Varius, A Celestial Beauty in a More Compact Form

When De Bethune first unveiled the DB25 Starry Varius, it quickly became one of the brand’s most poetic and recognisable creations. A starry sky rendered in shimmering blued or polished titanium, dotted with hand-fitted white gold pins and illuminated by the Milky Way in delicate 24-carat gold leaf, it was, quite literally, a firmament on […]

Introducing: Armin Strom Mirrored Force Resonance Rose Gold - Welcome To The Golden Age Fratello
Armin Strom Mirrored Force Resonance Rose Aug 18, 2025

Introducing: Armin Strom Mirrored Force Resonance Rose Gold - Welcome To The Golden Age

There’s a new Armin Strom Mirrored Force Resonance in town, clad in rose gold and black. The 43mm 18k rose gold case features alternating brushed and polished finishes, and the large black off-center dial provides a strong visual contrast. The handcrafted sunray guilloché pattern of the dial, framed by a chapter ring with circular finishing, […] Visit Introducing: Armin Strom Mirrored Force Resonance Rose Gold - Welcome To The Golden Age to read the full article.

Introducing – The Armin Strom Mirrored Force Resonance in Rose Gold and Black Guilloche Monochrome
Armin Strom Mirrored Force Resonance Aug 15, 2025

Introducing – The Armin Strom Mirrored Force Resonance in Rose Gold and Black Guilloche

Following the recent Ice Blue and Manufacture editions in Green and Blue that Armin Strom presented after the series update in 2022, the brand now reveals a new chapter for its iconic complication, with a warm, higher-end version of the Mirrored Force Resonance, in rose gold with a handsome black guilloche dial. The resonance phenomenon […]

Introducing – The New Armin Strom Mirrored Force Resonance Ice Blue Monochrome
Armin Strom Mirrored Force Resonance Ice Jul 4, 2025

Introducing – The New Armin Strom Mirrored Force Resonance Ice Blue

Since the debut of the Mirrored Force Resonance First Edition in 2022, which was an update of the revolutionary 2016 Armin Strom Mirrored Force Resonance, the brand has excited us with the Manufacture Editions in green and blue, and now introduces the Mirrored Force Resonance Ice Blue. This fresh interpretation combines the technical mastery of […]

First Look – The New Armin Strom Gravity Equal Force Ultimate Sapphire Blue Monochrome
Armin Strom Gravity Equal Force Ultimate Jun 25, 2025

First Look – The New Armin Strom Gravity Equal Force Ultimate Sapphire Blue

When Serge Michel and Claude Greisler acquired Armin Strom, they took the bull by the horns. Without abandoning Mr Strom’s famous hand-skeletonised movements, the pair developed a full-scale vertical manufacture and successfully addressed the phenomenon of Mirrored Force Resonance in a wristwatch format. Another horological success story was the brand’s Gravity Equal Force watch of […]

First Look – The New Armin Strom Gravity Equal Force Ultimate Sapphire Rose Gold Monochrome
Armin Strom Gravity Equal Force Ultimate Jun 18, 2025

First Look – The New Armin Strom Gravity Equal Force Ultimate Sapphire Rose Gold

The new Armin Strom Gravity Equal Force Ultimate Sapphire Rose Gold adds a refined, luxurious reference to the brand’s Gravity Equal Force line. First introduced in 2019, the collection debuted with the groundbreaking Gravity Equal Force System 78, the world’s first automatic wristwatch with a stop-work declutch mechanism and Geneva cross inside the barrel, designed […]

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Worn & Wound
Longines Fears Omega Jan 19, 2025

A Week in Watches Ep. 97: Longines, Fears, Omega, and More!

A Week in Watches is back and off to the races with ep 97, which covers a handful of cool new releases. Despite the beginning of the year slump, there’s still plenty to keep us excited, from a light and fast Longines to a precious metal Fears, to a new steel luxury hype-machine by Vacheron, and finally, another new Speedmaster. This episode was brought to you by the Windup Watch Shop. New to the shop is the G-SHOCK DW5000R-1A origin, a revamp of the very first G-SHOCK, some cool Casio x Pac-Man pieces, including a nerdtastic calculator watch in yellow, the futuristic Prevail field watches, and more – head to windupwatchshop.com to check them out for yourself. The post A Week in Watches Ep. 97: Longines, Fears, Omega, and More! appeared first on Worn & Wound.

Introducing – The Rose Gold Version of the De Bethune DB25GMT Starry Varius Monochrome
De Bethune DB25GMT Starry Varius De Oct 22, 2024

Introducing – The Rose Gold Version of the De Bethune DB25GMT Starry Varius

De Bethune’s DB25 family can be regarded as the more classical face of the brand, showcasing Denis Flageollet’s passion for traditional watchmaking with a delightful cosmic twist. De Bethune recently unveiled a new version of the DB25GMT Starry Varius in a luxurious rose gold case with its mysterious GMT display signalling time with a rotating […]

Up Close: Grand Seiko Kodo Constant-Force Tourbillon SLGT005 SJX Watches
Grand Seiko Kodo Constant-Force Tourbillon SLGT005 Aug 22, 2024

Up Close: Grand Seiko Kodo Constant-Force Tourbillon SLGT005

Following the 2022 debut of its first ever tourbillon – and the brand’s most complicated watch ever – Grand Seiko follows up this year with the Kodo Constant-Force Tourbillon SLGT005 “Daybreak”. Mechanically identical to its predecessor (the SLGT003), the new Kodo still boasts a co-axial tourbillon and remontoir, a novel construction unique to the Kodo. But the Kodo SLGT005 is dressed in brighter colours of silver tones and pale greys, hence the “Daybreak” nickname. The result is a watch that’s less aggressively technical in style, but just as complicated. And thanks to its lighter palette, the technicality and decoration of the movement are arguably more prominent in the Kodo “Daybreak”. Initial thoughts The Kodo in its original form had a strikingly skeletonised appearance that maximised the view of its intricate mechanics, giving something of an anime sci-fi aesthetic. This was accentuated by the dark colours highlighted with vivid, dark red rubies. The new version, on the other hand, is both lighter in colour and visual weight. Because there’s less colour contrast in the movement, it appears a bit more classical and less stylised. A clever touch are the blue jewels to replace the conventional red ruby bearings, which enhances the “daylight” theme. The original Kodo SLGT003 from 2022 Even though it looks different, the Kodo SLGT005 is identical in technical terms. So it still has the impressively constructed movement with a novel approach to t...

(Video) Incredible Watch Engineering from a Brand You Need to Know – Armin Strom Gravity Equal Force Worn & Wound
Armin Strom Gravity Equal Force Aug 1, 2024

(Video) Incredible Watch Engineering from a Brand You Need to Know – Armin Strom Gravity Equal Force

The Armin Strom Gravity Equal Force is not like other watches. At a glance, it clearly doesn’t look like them, but more importantly, it also works a bit differently too, featuring a first in watchmaking. To be clear, it still tells time with three hands, is operated by a crown, and has all of the movement components one expects to find on a watch, from a mainspring to an escapement. But it hides a very cool secret. Something that sets it apart. Hidden within is a little mechanism that helps it be more accurate. It’s not a complication, per say, as it doesn’t add any functions beyond time-telling, rather, it makes for a better watch. The Gravity Equal Force is one of a small handful of watches that attempts to address a fundamental issue with mechanical timepieces: variations in accuracy across their power reserves due to changing torque. As the power reserve diminishes, the torque, or force, decreases, the amplitude of the escapement falls, and the timekeeping becomes less accurate. Watchmakers have addressed this issue in various ways over the last few hundred years, which are often grouped together and referred to as “constant force” mechanisms. The Gravity Equal Force uses a simple, though uncommon, mechanism compared to typical “constant force” systems such as fuseé, chains, and remontoirs called a Geneva or Maltese cross. This mechanism prevents the watch mainspring from unwinding to the point where the torque and, thus, the accuracy really drop off. Ho...

A Monday Morning With The Grooviest Watch In The World: The Grand Seiko Kodo Constant-Force Tourbillon “Daybreak” Fratello
Grand Seiko Kodo Constant-Force Tourbillon “Daybreak” Jul 8, 2024

A Monday Morning With The Grooviest Watch In The World: The Grand Seiko Kodo Constant-Force Tourbillon “Daybreak”

Grand Seiko’s first all-mechanical complicated watch debuted in 2022. It was a timepiece with a movement featuring a tourbillon with an inner carriage rotating at eight beats per second and a constant-force mechanism rotating at one beat per second. Not only was the Grand Seiko Kodo Constant-Force Tourbillon SLGT003 a complicated and ingenious watch, but […] Visit A Monday Morning With The Grooviest Watch In The World: The Grand Seiko Kodo Constant-Force Tourbillon “Daybreak” to read the full article.

Introducing: Armin Strom Gravity Equal Force P.03 Night Ops For Collective Fratello
Armin Strom Gravity Equal Force P.03 Jun 18, 2024

Introducing: Armin Strom Gravity Equal Force P.03 Night Ops For Collective

Our friends at Collective Horology are no strangers to awesome collab releases. The team seems to possess the diplomatic skills required to push some of the greatest watchmakers to do things outside of their usual scope. In the case of Armin Strom, a brand that doesn’t shy away from combining tradition with radical new ideas […] Visit Introducing: Armin Strom Gravity Equal Force P.03 Night Ops For Collective to read the full article.

First Look – The Armin Strom Gravity Equal Force Ultimate Sapphire Purple Monochrome
Armin Strom Gravity Equal Force Ultimate May 6, 2024

First Look – The Armin Strom Gravity Equal Force Ultimate Sapphire Purple

Armin Strom (1938) has gone down in the annals of watchmaking as a pioneer in the art of hand-skeletonisation. Now in the hands of Serge Michel and master watchmaker Claude Greisler, the independent watchmaking brand with 17 in-house calibres continues the master’s legacy of “transparent mechanics” with showstopping models like its Mirrored Force Resonance and […]

Introducing: The Armin Strom Gravity Equal Force Ultimate Sapphire Purple Fratello
Armin Strom Gravity Equal Force Ultimate May 6, 2024

Introducing: The Armin Strom Gravity Equal Force Ultimate Sapphire Purple

As a fan of Armin Strom, I have had the pleasure of reviewing many of the brand’s previous models. Back in 2019, I was following the story of the then-new Gravity Equal Force, and while the watch was and still is out of my financial reach, I was amazed by what the Biel/Bienne Maison presented […] Visit Introducing: The Armin Strom Gravity Equal Force Ultimate Sapphire Purple to read the full article.

In-Depth: Girard-Perregaux’s True Constant-Force Escapement SJX Watches
Girard-Perregaux s True Constant-Force Escapement Jan 3, 2024

In-Depth: Girard-Perregaux’s True Constant-Force Escapement

Ten years after it arrived on market, Girard-Perregaux revived its most notable modern-day invention with the Neo Constant Escapement. Operating on the same principles as the original, the Neo Constant Escapement (NCE) features an upgraded movement inside a more compact case. A combination of a historical concept originating with Abraham-Louis Breguet and cutting edge horology, the NCE retains the defining invention of the original – a true constant-force escapement. “True” because the constant-force mechanism, comprising a lozenge-shaped silicon spring, is integrated with the pallet lever, which in turn interacts with a “natural” escapement of twin escape wheels. While the key concept has been retained, the rest of the NCE, however, has been improved over the original, with wearability in particular having been enhanced. Initial thoughts The fundamental concept of the NCE is appealing because it successfully combines a significant historical invention, Breguet’s double-wheel escapement, with an innovation that is entirely 21st century, a compliant mechanism in silicon. Both are brought together in an elegant yet ingenious manner. The basis of the movement is Breguet’s échappement naturel, the “natural” escapement with two wheels that has been adopted in the modern day, in a variety of modified forms, by Voutilainen, F.P. Journe, and Charles Frodsham. But the natural escapement here has been enhanced with a constant force mechanism made up of a single pi...

A Watchmaker’s Technical Look at the Armin Strom Mirrored Force Resonance Fire: A Dual-Balance Watch with a Difference – Reprise Quill & Pad
Armin Strom Mirrored Force Resonance Fire Dec 12, 2023

A Watchmaker’s Technical Look at the Armin Strom Mirrored Force Resonance Fire: A Dual-Balance Watch with a Difference – Reprise

The Armin Strom Mirrored Force Resonance Fire has captivated everybody with the mesmerizing appearance of its twin balances and the unusual, long, sinuous, grey spring gently oscillating along the middle of the watch. 'The Horological Journal' editor and watchmaker Justin Koullapis asks the question, "Does it live up to the hyperbole?"

Grand Seiko T0 Constant Force Tourbillon: I Couldn’t Believe My Eyes! – Reprise Quill & Pad
Grand Seiko T0 Constant Force Tourbillon Dec 6, 2023

Grand Seiko T0 Constant Force Tourbillon: I Couldn’t Believe My Eyes! – Reprise

As Joshua Munchow swiped through posts on Instagram one day, he was stopped in his tracks, toothbrush dangling from his gaping mouth, eyes wide, and one singular thought running through his head as he stared at his phone: Grand Seiko doesn’t make movements like this. This is an avant-garde tourbillon movement with a constant force escapement and incredible, exposed mechanics! What in the world . . .?! Meet the T0.

New releases from Vacheron Constantin, Fears, Audemars Piguet and more Time+Tide
Vacheron Constantin Fears Audemars Piguet Dec 2, 2023

New releases from Vacheron Constantin, Fears, Audemars Piguet and more

Wow… Nobody expected much in terms of watch releases this week, but some of the biggest brands in the industry unexpectedly decided to present very special pieces. In particular, Vacheron Constantin, for the first time ever, allowed the media direct access to the releases of Les Cabinotiers, the brand’s crème de la crème, usually only … ContinuedThe post New releases from Vacheron Constantin, Fears, Audemars Piguet and more appeared first on Time+Tide Watches.

The new Armin Strom Gravity Equal Force Maillechort is Monochrome’s latest montre de souscription Time+Tide
Armin Strom Gravity Equal Force Maillechort Aug 21, 2023

The new Armin Strom Gravity Equal Force Maillechort is Monochrome’s latest montre de souscription

This marks the third montre de souscription from Monochrome Monochrome aimed to design a “warm, discreet, and traditional” take on the Armin Strom Gravity Equal Force This edition stands out with its usage of maillechort, or German silver, for the movement These days, whether standard models or limited editions, many try to leverage bold colours … ContinuedThe post The new Armin Strom Gravity Equal Force Maillechort is Monochrome’s latest montre de souscription appeared first on Time+Tide Watches.