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Balance Wheel

The oscillating wheel at the heart of every mechanical watch.

Sinn Unveils their Spring Novelties, Including a Manually Wound 103 Chronograph and New HYDRO U50 Divers Worn & Wound
Sinn Unveils their Spring Novelties Feb 14, 2024

Sinn Unveils their Spring Novelties, Including a Manually Wound 103 Chronograph and New HYDRO U50 Divers

Sinn dropped their Spring novelties this morning, an event that’s always of keen interest to hardcore watch enthusiasts. Sinn is one of our favorite brands for a whole number of reasons, but I’ve always felt that part of their appeal is in their somewhat elusive, “if you know, you know,” nature. Part of that is the fact that they have a single American distributor, and don’t have the flashiest social media presence. In the US, they still seem very German and are truly a brand for connoisseurs. If you see someone wearing a Sinn, you know that they sought it out, and that it might not have been easy to find.  Sinn’s pattern for novelty releases over the last few years seems to be to release a mix of modern tool watches and vintage throwbacks simultaneously. This year’s vintage throwback is a manually wound chronograph, the 103 St Ty Hd. The 103 is their core chronograph model, the simplest and arguably least fussy, and has been made in a huge number of variants over the years. This new version has a steel case and old-fashioned acrylic crystal, and a panda-style dial layout with red accents.  Fans of the 103 will notice immediately that the 12, 6, 9 (with day/date at 3) layout from previous 103 references is missing, a result of the manually wound Sellita SW 510 M powering the new watch. Here we get a classic three register, no date dial in the same familiar 41mm case. This is Sinn’s first manually wound 103 in 20 years, which should make the release of the...

Up Close: Grand Seiko Spring Drive GMT “Champagne Diamond” SBGE267G SJX Watches
Grand Seiko Spring Drive GMT “Champagne Dec 9, 2020

Up Close: Grand Seiko Spring Drive GMT “Champagne Diamond” SBGE267G

Just announced as an exclusive for Seiko’s longtime distributor in several Asian countries, the Grand Seiko Spring Drive GMT “Champagne Diamond” SBGE267G is a variation on Grand Seiko’s longstanding Spring Drive GMT sports watch with its characteristic sapphire-covered bezel and sloping case flanks. Dressed in richer colours than the black or blue of the typical Grand Seiko sports watch, the SBGE267G has a dial rendered in metallic brown that’s matched with yellow gold-plated hands and indices. Executed in steel, the SBGE267G is powered by the 9R66 Spring Drive movement that has a second time zone function. And it’s an edition of 140 pieces meant for five countries, making it a fairly small run relative to other recent Grand Seiko limited editions. Initial thoughts Over the last couple of years, Grand Seiko has rolled out a variety of limited editions in a diversity of dial colours, but the SBGE267G still manages to be be different. Its look is distinctly more luxe than the standard Spring Drive GMT – the chestnut brown employed for the dial is unusual for Grand Seiko and striking, particularly combined with the gilt hands and markers. The brushed metallic dial surface catches the light nicely In the usual Grand Seiko fashion, the quality of the watch is excellent, with the dial and hands being especially outstanding for a watch of this price. Fabricated with a diamond-tipped tool, the hour markers and hands all have razor-sharp edges and near-mirrored su...

INTRODUCING: The new Grand Seiko SBGC238 Limited Edition Spring Drive Chronograph is futuristic, aggressive, brilliant Time+Tide
Grand Seiko SBGC238 Limited Edition Spring Sep 7, 2020

INTRODUCING: The new Grand Seiko SBGC238 Limited Edition Spring Drive Chronograph is futuristic, aggressive, brilliant

I am beginning to run out of synonyms for the scope of Grand Seiko for 2020, with yet another impressive reference being pulled out of what seems to be a very deep hat. This time we are looking at the Grand Seiko SBGC238, a limited edition of the largest most angular case possibly ever from … ContinuedThe post INTRODUCING: The new Grand Seiko SBGC238 Limited Edition Spring Drive Chronograph is futuristic, aggressive, brilliant appeared first on Time+Tide Watches.

Up Close: Grand Seiko Spring Drive “Blue Snowflake” SBGA407 SJX Watches
Grand Seiko Spring Drive “Blue Snowflake” Mar 16, 2020

Up Close: Grand Seiko Spring Drive “Blue Snowflake” SBGA407

One of the all-time best-selling Grand Seiko watches is the Spring Drive “Snowflake”, which gets the name from the its distinctive textured dial. And until recently, the snowflake dial was only available on models with bracelets, save for a few pricey limited editions with gold cases. That changed last year when Grand Seiko debuted the Spring Drive “Blue Snowflake” SBGA407. It combines the famous dial with a more classical case, and a good deal of practicality – date, Spring Drive accuracy, and a surprising 100 m water resistance. On the wrist While most Grand Seiko watches are pretty discreet on the wrist, the “Blue Snowflake” makes a statement due to its colour. The styling is most definitely old school, but the pale-blue dial is both modern and unusual; it’s an unorthodox colour for a man’s watch, especially one that leans towards the dress-watch category, but it works. And the “Blue Snowflake” is also a manageable but modern size. The case is a bit over 40 mm in diameter, and fairly thick, while the bezel is narrow. The result is a watch that wears well and has a good presence on the wrist (with one caveat that is common to Grand Seiko watches on straps: the band has odd proportions, with one side being unnecessarily long). The snowflake story The original “Snowflake” was the Grand Seiko Spring Drive ref. SBGA011 (now known as the SBGA211) that made its debut in 2005. While it did have a titanium case and bracelet, which was fairly uncommon a...

Auction Report: Albert Piguet Double-Balance Resonance Watch Sells for CHF250,000 SJX Watches
Vacheron Constantin Nov 12, 2019

Auction Report: Albert Piguet Double-Balance Resonance Watch Sells for CHF250,000

One of the most interesting lots in the second instalment of Masterworks of Time at Sotheby’s that just concluded was a seemingly unassuming pocket watch with an estimate of just 7,000-10,000 Swiss francs. But the pocket watch contains a movement with a single gear train driving double balance wheels linked by a differential, constructed to keep time according to the principles of resonance. This is one of the very movements that inspired Philippe Dufour to create the Duality. And its appearance at auction comes at an opportune time, with F.P. Journe going to launch an entirely new Resonance movement in 2020. The Philippe Dufour Duality Mr Piguet of Lemania The movement was made by Albert G. Piguet (1914-2000), a noted watchmaker who finished the movement in 1933, just before graduating from the École d’Horlogerie in Le Sentier, then the premiere watchmaking school in the Vallee de Joux. He joined movement maker Lemania after graduation, and eventually rose to technical director. Piguet stayed in that role from 1948 to 1980, during which he helped develop numerous calibres, including the important CH27 chronograph movement that later became the cal. 321 found in the early Omega Speedmaster Moonwatch, and also the cal. 2310 used by the likes of Patek Philippe and Vacheron Constantin. Piguet’s 1933 pocket watch movement is just one of six produced between 1932 and 1934 by students at the watchmaking school, working under the tutelage of headmaster Marcel Builleumi...

VIDEO: Grand Seiko’s epic Spring Drive Chronograph – the SBGC203 Time+Tide
Grand Seiko s epic Spring Drive Sep 17, 2019

VIDEO: Grand Seiko’s epic Spring Drive Chronograph – the SBGC203

In general, Grand Seiko has a reputation for being somewhat stealthy on the wrist - but, to be honest, that’s not the case with this chunk of finely crafted steel, better known as the Grand Seiko Spring Drive Chronograph SBGC203.  At a sizeable 43.5mm across by 16.1mm tall, this isn’t the sort of watch that … ContinuedThe post VIDEO: Grand Seiko’s epic Spring Drive Chronograph – the SBGC203 appeared first on Time+Tide Watches.

VIDEO: Blue, gold and oh-so-bold, the Grand Seiko Spring Drive GMT SBGE248 Time+Tide
Grand Seiko Spring Drive GMT SBGE248 Sep 15, 2019

VIDEO: Blue, gold and oh-so-bold, the Grand Seiko Spring Drive GMT SBGE248

Grand Seiko has something of a reputation for finely finished understatement. This watch is, well, a little extra. That’s not to say that the Grand Seiko SBGE248 isn’t as finely finished as you’d expect, it’s just that, thanks to its popping blue and gold colourway, this Grand Seiko isn’t under anyone’s radar.  Which, honestly, is … ContinuedThe post VIDEO: Blue, gold and oh-so-bold, the Grand Seiko Spring Drive GMT SBGE248 appeared first on Time+Tide Watches.

44mm of Japanese brawn – the Grand Seiko Spring Drive GMT in titanium (ref. SBGE215G) Time+Tide
Grand Seiko Spring Drive GMT Jul 13, 2019

44mm of Japanese brawn – the Grand Seiko Spring Drive GMT in titanium (ref. SBGE215G)

Editor’s note: Sure, the mighty Grand Seiko Spring Drive GMT in titanium (ref. SBGE215G to its friends) might lack the fancy dials of the Snowflake and the new manual-wind Spring Drives but, good golly, it makes up for it in sheer presence. The case, the bezel, the gold detailing. It bangs.  It’s fair to say … ContinuedThe post 44mm of Japanese brawn – the Grand Seiko Spring Drive GMT in titanium (ref. SBGE215G) appeared first on Time+Tide Watches.

HANDS-ON: The SBGE215G – the Grand Seiko Spring Drive GMT in titanium Time+Tide
Grand Seiko Spring Drive GMT Nov 22, 2018

HANDS-ON: The SBGE215G – the Grand Seiko Spring Drive GMT in titanium

It’s fair to say that much of Grand Seiko’s catalogue leans towards the dressier end of the spectrum - but, of course, there are exceptions, and the SBGE215G is a perfect example. This sporty GMT is an evolution of the SBGE201G; it shares the same large 44mm case. But while the SBGE201G had a steel … ContinuedThe post HANDS-ON: The SBGE215G – the Grand Seiko Spring Drive GMT in titanium appeared first on Time+Tide Watches.

HANDS-ON: The Golden Snowflake – Grand Seiko’s Spring Drive SBGA259 Time+Tide
Grand Seiko s Spring Drive SBGA259 Aug 12, 2018

HANDS-ON: The Golden Snowflake – Grand Seiko’s Spring Drive SBGA259

Grand Seiko’s Snowflake (the more evocative name for the SBGA211 née SBGA011) is undoubtedly one of the most popular watches in their line-up, and understandably so. With its titanium case, seductive Spring Drive movement and one of the best-loved dials in the business, it’s remained unchanged (reference number and dial naming convention) since 2010 (see … ContinuedThe post HANDS-ON: The Golden Snowflake – Grand Seiko’s Spring Drive SBGA259 appeared first on Time+Tide Watches.

VIDEO: Grand Seiko’s Spring Drive technology explained … in 2 minutes Time+Tide
Grand Seiko s Spring Drive technology Oct 28, 2017

VIDEO: Grand Seiko’s Spring Drive technology explained … in 2 minutes

Fundamentally, there’s not a whole lot of variation in watch movements. Sure, the peripheral details might vary, but basically you’re either looking at a purely mechancial movement, with a mainspring and escapement setup that’s remained pretty much unchanged for the last few hundred years, or you’re looking at a battery-powered quartz watch that’s come to … ContinuedThe post VIDEO: Grand Seiko’s Spring Drive technology explained … in 2 minutes appeared first on Time+Tide Watches.

VIDEO: The purity of the Grand Seiko Spring Drive Snowflake Time+Tide
Grand Seiko Spring Drive Snowflake One Oct 21, 2017

VIDEO: The purity of the Grand Seiko Spring Drive Snowflake

One of Grand Seiko’s most in-demand and instantly identifiable watches is the Snowflake, AKA the SBGA211. For many, this pure, and deceptively simple, watch epitomises the high-end Japanese maker, and it certainly exhibits all the Grand Seiko hallmarks: exceptional casework, precise finishing techniques, and those glimmering hands and hour markers. And then, of course, there’s … ContinuedThe post VIDEO: The purity of the Grand Seiko Spring Drive Snowflake appeared first on Time+Tide Watches.

HANDS-ON: The Grand Seiko Black Ceramic Spring Drive GMT (ref. SBGC219) Time+Tide
Grand Seiko Black Ceramic Spring Drive Mar 22, 2017

HANDS-ON: The Grand Seiko Black Ceramic Spring Drive GMT (ref. SBGC219)

Last year Grand Seiko released a new-look, sporty, modular, ceramic and titanium Spring Drive Chronograph. It was a bold change of pace for the usually buttoned-up brand, and I’ve got to say it both surprised and delighted me. Baselworld 2017 sees the return of this modular approach, in the form of the Black Ceramic Collection … ContinuedThe post HANDS-ON: The Grand Seiko Black Ceramic Spring Drive GMT (ref. SBGC219) appeared first on Time+Tide Watches.

ADVENT CALENDAR 2016: December 18 – The Grand Seiko Spring Drive Chronograph SBGC017 Time+Tide
Grand Seiko Spring Drive Chronograph SBGC017 Dec 17, 2016

ADVENT CALENDAR 2016: December 18 – The Grand Seiko Spring Drive Chronograph SBGC017

“Oh Christmas tree, oh Christmas tree…uhhhh, what are you doing on this Grand Seiko dial?” Seiko must have been in the Xmas spirit when the dial of this Grand Seiko was in development. Of course, the story goes that it’s actually a fir tree, which is celebrated in the Onbashira Festival that’s held in Suwa, near where … ContinuedThe post ADVENT CALENDAR 2016: December 18 – The Grand Seiko Spring Drive Chronograph SBGC017 appeared first on Time+Tide Watches.

First Look – The Gold Grand Seiko Spring Drive UFA SLGB006 Ice Forest at Dawn Monochrome
Grand Seiko Spring Drive UFA SLGB006 Apr 14, 2026

First Look – The Gold Grand Seiko Spring Drive UFA SLGB006 Ice Forest at Dawn

Last year was a watershed moment for Grand Seiko with its announcement of the world’s “most accurate mainspring-driven movement”. Crafted in the Shinshu Watch Studio, the brand’s groundbreaking Calibre 9RB2 – with an annual deviation of only ±20 seconds – debuted in Evolution 9 cases. True to Japanese reverence for nature and Grand Seiko’s talent […]

In-Depth – The Grand Seiko Spring Drive UFA Ushio 300 Diver, GS’ Smallest and Most Accurate Dive Watch Monochrome
Grand Seiko Spring Drive UFA Ushio Apr 13, 2026

In-Depth – The Grand Seiko Spring Drive UFA Ushio 300 Diver, GS’ Smallest and Most Accurate Dive Watch

While dive watches are fundamental to Seiko’s Prospex collection, the concept is slightly less natural for Grand Seiko. At first sight… Indeed, the higher-end brand of Seiko Corporation has been active in the field of purpose-built diving instruments since 2008, delivering impressive models, whether in terms of specs, looks or, unfortunately, size. One of the main complaints heard […]

Sinn Introduces Four New Models Ahead Of Watches And Wonders: The 544, 544 RS, 308, And 936 S Fratello
Sinn Introduces Four New Models Apr 8, 2026

Sinn Introduces Four New Models Ahead Of Watches And Wonders: The 544, 544 RS, 308, And 936 S

Watches and Wonders 2026 kicks off next week, and this year marks Sinn’s first appearance at the fair. Likely to stir up excitement for this debut, the brand introduces four models ahead of the show. The lineup includes two versions of the 544, the limited 936 S chronograph, and the more unconventional 308 Hunting Watch. […] Visit Sinn Introduces Four New Models Ahead Of Watches And Wonders: The 544, 544 RS, 308, And 936 S to read the full article.

Entry-Level Cartier: Four Options From New To Vintage Fratello
Cartier Four Options From New Sep 28, 2025

Entry-Level Cartier: Four Options From New To Vintage

Cartier is a brand that has been on an absolute roll in recent years. Some readers may remember a time when self-proclaimed watch geeks unfairly considered Cartier “a jewelry brand that also sells watches.” However, the tide of perception has truly shifted in the last decade or so, and Cartier’s timepieces now seem hotter than […] Visit Entry-Level Cartier: Four Options From New To Vintage to read the full article.

First Look – The new Steel and Purple Dial Grand Seiko Spring Drive UFA Ice Forest SLGB005 Monochrome
Grand Seiko Spring Drive UFA Ice Sep 25, 2025

First Look – The new Steel and Purple Dial Grand Seiko Spring Drive UFA Ice Forest SLGB005

Earlier this year, at Watches and Wonders Geneva 2025, Grand Seiko unveiled a new and rather important collection, fitted with a brand new movement and carrying a meaningful name, the Spring Drive UFA. Now, if you’re a GS fan, you’ll immediately spot the connection with the VFA models of the past, as the new Ultra […]