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Results for Free-Sprung Balance

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Balance Wheel

The oscillating wheel at the heart of every mechanical watch.

The Ulysse Nardin Blast Free Wheel Marquetry is the ultimate tribute to silicon Time+Tide
Ulysse Nardin Blast Free Wheel Marquetry Aug 29, 2023

The Ulysse Nardin Blast Free Wheel Marquetry is the ultimate tribute to silicon

Ulysse Nardin do not always get the credit they are due as a watch manufacture. I bet most of you watching this video were not aware that Ulysse Nardin is an independently owned, vertically integrated manufacture – among the rare few who are able to build their watches fully in house. While certainly versed in … ContinuedThe post The Ulysse Nardin Blast Free Wheel Marquetry is the ultimate tribute to silicon appeared first on Time+Tide Watches.

Up Close: Audemars Piguet Royal Oak Double Balance Wheel “High Jewellery” SJX Watches
Audemars Piguet Royal Oak Double Balance Mar 26, 2021

Up Close: Audemars Piguet Royal Oak Double Balance Wheel “High Jewellery”

A watch that combines the famous octagonal case with an innovative movement, the Royal Oak Double Balance Wheel Openworked is unquestionably the most technically interesting time-only Audemars Piguet (AP) Royal Oak. And then there’s this bejewelled version that’s certainly a lot more extravagant, but at the same time shows off the details and finishing of the movement better. Initial thoughts This watch is the ultimate black-tie watch – time-only and eminently classical in size at just 37 mm. In fact, it’s quite a bit smaller than the 41 mm standard model, making it a discreet fit under a cuff that will probably be secured by diamond-set cufflinks. It’s also dressed up with a glossy crocodile strap and a lot of generously sized, baguette-cut diamonds – a technically-inclined watch that takes its bling seriously. But this is not just another octagonal watch with diamonds. The movement relies on a novel technical concept for better timekeeping, but its technical merits are usually overlooked because it is installed inside a “hot” watch. And this particular version of the movement is more attractively executed here than on the standard models. Because movement here is plated in silvery rhodium – no doubt to match the dazzling whiteness of the diamonds – it’s more appealing than on the non-jewelled versions that have a dark grey ruthenium finish that’s almost black. While the finishing of the two is essentially identical, the dark finish obscures much ...

Up Close: Ulysse Nardin Executive Tourbillon Free Wheel SJX Watches
Ulysse Nardin Executive Tourbillon Free Wheel Feb 4, 2020

Up Close: Ulysse Nardin Executive Tourbillon Free Wheel

With the Freak being the undisputed flagship complication of Ulysse Nardin – as well as a historically important watch – many of the brand’s other technical accomplishments often go under the radar. One intriguing offering that hasn’t gotten much attention: the Executive Tourbillon Free Wheel. Despite the somewhat dull name, the Tourbillon Free Wheel is a compelling reinterpretation of a mystery clock – where the mechanics are artfully hidden and exposed for visual effect – that is both fascinating and exotic. The Executive Tourbillon Free Wheel with an aventurine dial While the base model of the Executive collection features a largely conventional, open-worked movement, the Tourbillon Free Wheel takes things a step further by elevating the crucial parts of the movement like the barrel, tourbillon regulator, and gear train for the power reserve. In fact, most of the components are “floating” – the movement boasts a flying tourbillon, a “flying” gear train and power reserve indicator, as well as a “floating” barrel. At the same time, the construction is inverted, with parts that are usually hidden sitting exposed, and vice versa. As a result, the tourbillon and power reserve display appear to operate in isolation, with no obvious connection to the rest of the movement. Floating and flying minimalism While much of the gearing is hidden underneath the dial – which doubles up as the base plate – most of the moving parts are “floating” –...

Review: Audemars Piguet Royal Oak Double Balance Wheel Openworked Deployant
Audemars Piguet Royal Oak Double Balance Jun 18, 2016

Review: Audemars Piguet Royal Oak Double Balance Wheel Openworked

Audemars Piguet revealed the new Royal Oak Double Balance Wheel Openworked at SIHH earlier this year. While retaining the classic Royal Oak case design, the Openworked movement hosts a new concept that is said to improve the accuracy of timekeeping. Two balance wheels are positioned parallel to each other and connected via a central staff. This design is oneRead More

IFL Watches Introduces The Limited Edition Citizen Tsuyosa Automatic Free Willie Fratello
Citizen Tsuyosa Automatic Free Willie Apr 29, 2024

IFL Watches Introduces The Limited Edition Citizen Tsuyosa Automatic Free Willie

IFL Watches keeps surprising us with creative new dial variations for its releases. This time, the Stockhlom-based brand delves into the Disney archives and celebrates the joyous spirit of Mickey Mouse. To be more exact, the brand celebrates the Disney classic Steamboat Willie coming into the public domain. This animated short film is known as […] Visit IFL Watches Introduces The Limited Edition Citizen Tsuyosa Automatic Free Willie to read the full article.

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?"

Three New Grand Seiko Spring Drive Models For Watches And Wonders 2026 - The SBGY043, SBGD228, And SBGZ011 Fratello
Grand Seiko Spring Drive Models Apr 14, 2026

Three New Grand Seiko Spring Drive Models For Watches And Wonders 2026 - The SBGY043, SBGD228, And SBGZ011

The Grand Seiko Spring Drive family takes center stage at Watches and Wonders 2026 with three new releases. From the SBGY043, a relatively restrained daily wearer, to the SBGD228, a full-blown jewelry watch, this beloved Japanese brand covers a wide spectrum while sticking to its unique design ethos. What stands out this year is how […] Visit Three New Grand Seiko Spring Drive Models For Watches And Wonders 2026 - The SBGY043, SBGD228, And SBGZ011 to read the full article.

Special Windup Watch Shop Sales This Week Worn & Wound
Tissot  and score a free Italian Dec 18, 2023

Special Windup Watch Shop Sales This Week

As holiday shopping continues to ramp up and reach its fever pitch, we want to make it as easy as possible for you to find deals and discover even more value here at the Windup Watch Shop. To that end, we will be running additional promotions this week, December 18-22, on virtually every product category in the Shop. Furthermore, there are special sales running all three days: Purchase any Tissot and score a free Italian strap; Pick up a Paulin watch and receive a free Model 2 Premium strap; We’ll throw in a pair of Randolph glasses with any purchase of the new Benrus Ultra Deep. And lastly, Free Priority Domestic Shipping. We are excited to offer these, and all the specials highlighted below, as gifts to our Windup Watch Shop community.   As holiday shopping continues to ramp up and reach its fever pitch, we want to make it as easy as possible for you to find deals and discover even more value here at the Windup Watch Shop. To that end, we will be running additional promotions this week, December 18-22, on virtually every product category in the Shop. Furthermore, there are special sales running all three days: Purchase any Tissot and score a free Italian strap; Pick up a Paulin watch and receive a free Model 2 Premium strap; We’ll throw in a pair of Randolph glasses with any purchase of the new Benrus Ultra Deep. And lastly, Free Priority Domestic Shipping. We are excited to offer these, and all the specials highlighted below, as gifts to our W...

INTRODUCING: Made for adventuring over and under seas – the Grand Seiko Sport Collection Spring Drive GMT Limited Edition SBGE245 Time+Tide
Grand Seiko Sport Collection Spring Drive Oct 21, 2018

INTRODUCING: Made for adventuring over and under seas – the Grand Seiko Sport Collection Spring Drive GMT Limited Edition SBGE245

There are certain (and few) movements in watchmaking that truly define a brand. Seiko’s Spring Drive is one of them. Unveiled by the Japanese manufacturer in 1999, it was four years later – after the inclusion of an improved automatic winding system and longer power-reserve – that the smooth sweeping calibre was adopted into the … ContinuedThe post INTRODUCING: Made for adventuring over and under seas – the Grand Seiko Sport Collection Spring Drive GMT Limited Edition SBGE245 appeared first on Time+Tide Watches.

A Lion’s-Mane Dial for the Grand Seiko Sport Spring Drive SJX Watches
Grand Seiko Sport Spring Drive Aug 7, 2023

A Lion’s-Mane Dial for the Grand Seiko Sport Spring Drive

The Sport case inspired by the Grand Seiko emblem is a fairly new addition to the brand’s stable, having made its debut in 2019 with a trio of limited editions to mark the 20th anniversary of the Spring Drive. Now the distinctive facetted case joins the regular collection with the Sport Spring Drive SBGA481 “Tokyo Lion”. The big and bold case is accompanied by a fresh opaline dial featuring a texture reminiscent of a lion’s mane.  Initial thoughts  Although Grand Seiko historically expended a significant amount of effort in developing its more formal offerings, it more recently extended its efforts towards its Sports line, particularly the “Lion” models with its trademark facetted case. Initially found only on limited editions, this case has now transitioned into a readily-available production model. As with many Grand Seiko watches, sports or not, the Tokyo Lion’s standout feature is the dial, specifically the intricate and abstract textured pattern that complements the zaratsu polishing on the titanium case. The pattern is appealing enough that I hope the brand further iterates on this captivating pattern; though I expect that is a given since Grand Seiko inevitably iterates on successful models and elements. It is worth noting that the Tokyo Lion is fairly oversized at 44.5 mm, like many Grand Seiko Sports models, but given that the case and bracelet are made from titanium, it should feel light and comfortable while on the wrist.  The Tokyo Lion is pric...

Independent Watchmaker And A.H.C.I. Co-Founder Vincent Calabrese Reflects On His Career And Discusses His Balance Spring-Less Calasys Escapement (Video) Quill & Pad
Jun 7, 2022

Independent Watchmaker And A.H.C.I. Co-Founder Vincent Calabrese Reflects On His Career And Discusses His Balance Spring-Less Calasys Escapement (Video)

The lockdowns of the pandemic allowed 78-year-old independent watchmaker and A.H.C.I. co-founder Vincent Calabrese a lot of free time to think out things he had been mulling over for years. Foremost among these, his Calasys system, an escapement without a balance spring. Find out much more in this video.

The Greatest Horological Inventions of All Time: How The Invention of Balance Spring Changed the World Worn & Wound
Sep 24, 2024

The Greatest Horological Inventions of All Time: How The Invention of Balance Spring Changed the World

Editor’s Note: Today, we bring you the second part in the new series from Andrew Canter, the Greatest Horological Inventions of All Time. In this installment, Andrew examines the invention of the balance spring, a watchmaking advancement that not only charted a path for the watch industry, but can be said to have legitimately changed the world, enabling accurate, reliable, and portable timekeeping for the first time in human history. Who actually invented it, though, is still a matter of some debate, even after 350 years.  You can find more of Andrew’s work at the Mr. Watchmaster website here. Prior to the Balance Spring Early watches were powered by a verge escapement which was the same type of movement used in the early clocks. The verge is the earliest known type of mechanical escapement that controlled its rate by allowing the gear train to advance at regular intervals or ‘ticks’. Verge escapements were used from the late 13th century until the mid-19th century in clocks and pocket watches. Drawing of a verge escapement (bottom) and balance wheel (top) from an early pocket watch from an encyclopaedia c.1820 In the earliest watches a plain wheel, known as the balance, was used to control the rate of going of the mechanism. There wasn’t a consistent restoring force (such as a fusee), so consequently, its period of oscillation and, hence, the rate of the timekeeper were dependent on the driving force. Oval verge escapement watch movement by William Petit, Londo...

Hands On: Grand Seiko Spring Drive UFA Ushio 300 Diver SLGB025 and SLGB023 SJX Watches
Grand Seiko Spring Drive UFA Ushio Apr 27, 2026

Hands On: Grand Seiko Spring Drive UFA Ushio 300 Diver SLGB025 and SLGB023

At Watches & Wonders, Grand Seiko launched its best dive watch yet, the Evolution 9 Spring Drive Ultra Fine Accuracy (UFA) Ushio 300 Diver SLGB023 and SLGB025. As a product, it is both shocking and obvious, combining everything Grand Seiko collectors have longed for: a moderately sized case, an improved bracelet and clasp, and a 300 m depth rating. It all comes packaged in a titanium case and an enthusiast-favourite no-date format, and retails for slightly less than Grand Seiko’s existing premium dive watches. It’s a strong statement from a brand looking to gain traction in the luxury sports watch segment. Initial thoughts Seiko’s dive watch pedigree is one of the strongest in the industry, from their iconic saturation divers of the late 1960s to the gone but not forgotten SKX. Yet the flagship Grand Seiko brand has struggled to field a compelling dive watch. Bulky cases, strange proportions, odd depth ratings, and clumsy clasps held back past offerings. Fortunately, Grand Seiko has finally overcome these shortcomings and can finally boast a highly competitive diver’s watch. I made a wishlist for Watches & Wonders 2026 not long ago, at the top of which was my vision for a Grand Seiko UFA Spring Drive diver. To be clear, I’d already known a dive watch using the new cal. 9RBx family of Spring Drive movements was coming based on trademark filings, but I wished for something that many Grand Seiko collectors have wanted for years – a moderately sized dive watch, wit...

Watches & Wonders: Grand Seiko’s Nature-Inspired SBGZ011 Spring Drive Limited Release Shows The Shape of Water Worn & Wound
Grand Seiko s Nature-Inspired SBGZ011 Spring Apr 16, 2026

Watches & Wonders: Grand Seiko’s Nature-Inspired SBGZ011 Spring Drive Limited Release Shows The Shape of Water

Deep in the heart of a primeval forest lies a waterfall whose fresh spring waters are unspoilt by man, and whose mystic beauty is an endless source of inspiration - for the band of artisans who quietly engrave by hand some of the most intricately detailed watches in the world. It’s not a Studio Ghibli movie: the Tateshina Falls are real, located in central Japan’s Nagano Prefecture, which is also home to Grand Seiko’s Micro Artist Studio. And at Watches and Wonders 2026, a limited release pays tribute to this serene locale with a Spring Drive model that, according to Grand Seiko, “conveys time’s eternal flow in nature.”  The Masterpiece Collection SBGZ011 takes Grand Seiko’s sharp-edged 44GS case - rendered in platinum - and imbues it with hand-engraved lines from lug to lug, around the bezel, and entirely within the dial (save for a thin minute ring). These dashed silver lines flow in colliding swirls, bursting forth and blending into each other with seeming chaos; Grand Seiko suggests that they represent spring water bubbling forth from below the earth’s surface. On the bezel and the case’s flat surfaces and intersecting ridges, the patterns appear even more dramatic, resembling petals of a monochromatic flower. And on the dial, the white-gold hands and markers provide smooth, brilliant contrast, while the Grand Seiko and Spring Drive logos are carved and inset in their own boxes.  The manual-winding Caliber 9R02 is Grand Seiko’s thinnest Spri...

Revisiting Our Hands-On Review With The Grand Seiko Spring Drive U.F.A WatchAdvice
Grand Seiko Spring Drive U.F.A Grand Apr 8, 2026

Revisiting Our Hands-On Review With The Grand Seiko Spring Drive U.F.A

Grand Seiko’s Spring Drive U.F.A has an astonishing ±20 seconds per year accuracy. Wrapped in a new slimmer Evolution 9 case and finished with a dial inspired by winter in Shinshu, it’s a masterclass in subtle innovation and timeless elegance. What We Love The Calibre 9RB2 delivers an incredible +/- 20 seconds per year, redefining what is possible from a mainspring-powered mechanical movement The new 37mm case size makes the timepiece highly wearable for a wide range of wrist sizes. The beautifully textured dial captures Grand Seiko’s unique blend of craftsmanship and storytelling. What We Don’t While very comfortable, the standard three-link bracelet feels a little too plain for a release of this calibre. For a groundbreaking caliber, the caseback view feels a little subdued. For such a significant release, the design feels a little too in line with previous Evolution 9 models. Overall Rating: 9.25 / 10 Value for Money: 9.5/10 Wearability: 9.5/10 Design: 9/10 Build Quality: 9/10 This article was originally published as Hands On With The New Grand Seiko Spring Drive U.F.A. Grand Seiko was first established in 1960 as a sister brand to Seiko, created to combat the Swiss watchmakers and their high-end luxury timepieces. While Seiko made affordable everyday timepieces, It was Grand Seiko’s role to create unique, innovative pieces that would cater to the luxury and high-end watchmaking market. Among the many different innovations and stunning dial aesthetics, on...

Nomos Explores Spring Colors With The Club Campus All Olive And Full Rose Fratello
Nomos Explores Spring Colors Mar 26, 2026

Nomos Explores Spring Colors With The Club Campus All Olive And Full Rose

It has become an annual tradition for Nomos Glashütte to release 36mm and 38.5mm Club Campus models with two new dial colors to celebrate spring. The Club Campus is the perfect youthful series in which to explore new hues. As some of you might know, I love Nomos for leading the way in using uncommon […] Visit Nomos Explores Spring Colors With The Club Campus All Olive And Full Rose to read the full article.

Hands On: Grand Seiko Spring Drive UFA SJX Watches
Grand Seiko Spring Drive UFA Take Apr 14, 2025

Hands On: Grand Seiko Spring Drive UFA

Take a moment to think about the characteristics that would make the perfect everyday watch; what would you come up with? The list would probably include things like maximum precision, minimum weight, an agreeable size with good ergonomics, and a design that is at home in both formal and casual environments. It also wouldn’t cost a fortune. That might as well have been the design brief for the new Grand Seiko Evolution 9 Spring Drive Ultra Fine Accuracy (UFA) SLGB001 and SLGB003, which ticks about as many boxes as any single watch can. In fact, just about the worst thing you can say about the UFA is that the design isn’t taking any risks, but that’s the cost of chameleon-like versatility. While the watch is also available in an 80-piece limited edition in platinum (the SLGB001, pictured above), the primary focus of this review will be the more crowd-pleasing titanium version with matching bracelet (the SLGB003), which is a regular production model and priced right. The SLGB003 Initial thoughts Putting it bluntly, the UFA is an absolute spec-sheet monster. If you’re onboard with the idea of a quartz oscillator in an otherwise mechanical watch, there’s very little to nitpick. It’s simply one of the most accurate, wearable, and well-made watches on the market.  In true Grand Seiko style, the UFA is fitted with a nature-inspired dial motif that is modeled on a hillside of frost-covered trees. It’s a fairly abstract representation, which means it will look like d...

Editorial – Who Invented the Balance Spring? Reaffirming the Crucial Role of Christiaan Huygens Monochrome
Feb 21, 2025

Editorial – Who Invented the Balance Spring? Reaffirming the Crucial Role of Christiaan Huygens

An article by Rob Memel, antiquarian horologist, professional certified watchmaker since 1984, and author of the book The Development Towards Huygens’ Spiral Spring (1660-1676), from which this article is a summary. About two years ago, I embarked on an in-depth investigation into another watch-related invention by Christiaan Huygens: the spiral spring on a balance wheel. […]

Hands On: Grand Seiko Spring Drive Chronograph SBGC275 SJX Watches
Grand Seiko Spring Drive Chronograph SBGC275 Dec 4, 2024

Hands On: Grand Seiko Spring Drive Chronograph SBGC275

Twenty-twenty four marks the 20th anniversary of Grand Seiko’s 9R Spring Drive movement platform, an occasion the brand has chosen to mark with a range of anniversary editions including the Grand Seiko Caliber 9R 20th Anniversary SBGC275. A large, richly detailed watch with a captivating dial, the SBGC275 is robust, interesting, and capable of nearly anything, short of fitting under a short cuff. Initial thoughts At first glance, the SBGC275 looks like just a Spring Drive chronograph with a red dial. But a closer look reveals a highly nuanced colour that changes from red to orange depending on the angle – the result of a proprietary dial coating technique. At 44.5 mm in diameter and nearly 17 mm thick, the SBGC275 is unapologetically big and bold. That said, the watch feels smaller than it is thanks to the use of titanium for the case and bracelet, and the unusually wide 23 mm lug width helps reduce the visual size. This latter dimension may limit the options for aftermarket straps, but since most owners will likely stick with the bracelet, this concern is largely academic. The watch is powered by an upgraded version of the familiar cal. 9R86 Spring Drive chronograph GMT movement, which made its debut in 2007. But eagle-eyed movement geeks will notice the SBGC275 is equipped with the fine-tuned cal. 9R96 first seen in 2017, which was also used in the Nissan GT-R 50th Anniversary edition. In many ways, the SBGC275 captures Grand Seiko’s strengths and weaknesses. The b...