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159 articles · 8 videos found · page 2 of 6

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Sinn Gallery Sinn

Wristshot gallery from the Horlogeforum Sinn thread.

Sinn 104 Review Teddy Baldassarre
Sinn Jun 10, 2025

Sinn 104 Review

Before I get into this review of the Sinn 104 St Sa I white-dial watch, I wanted to offer some of my thoughts and provide some context about the brand. Now, if you know me, you know I’m a longtime fan of Germany’s Sinn and its iconoclastic range of tool watches. all of which have that extra little bit of over-engineered oomph when compared to many of their rugged peers. Come to think of it, these watches actually have no peers, given their unique solutions to problems facing watches that actually experience adverse conditions. Sinn History & Context Founded in 1961 in Frankfurt by ex-military pilot Helmut Sinn, the brand's cultish popularity stems from its technical innovations, which include the so-called "Submarine" steel, developed for the modern German Navy and found in many Sinn dive watches. Submarine steel possesses a mechanical strength more than one and a half times that of normal steel, and additionally, it's highly resistant to magnetism, cracking, and corrosion. In fact, Sinn claims the alloy is completely resistant to prolonged exposure to salt water, something that few stainless-steel formulations can claim. Sinn also employs an additional technology for hardening both stainless steel and titanium surfaces under the Tegiment name. This treatment increases both hardness and scratch resistance even further, making for a practically bombproof finish.  The caseback of the Sinn U15 Sinn also goes above and beyond when it comes to handling pressure. For its p...

Do Tudor’s Price Increases Create More Space For Players Like Formex, Longines, And Sinn? Fratello
Longines May 19, 2025

Do Tudor’s Price Increases Create More Space For Players Like Formex, Longines, And Sinn?

The 39.5mm Formex “Baby” Reef represents, to me, the sort of value for money we were once accustomed to with Tudor’s Black Bay series in the COVID era. Although that was just a few short years ago, Tudor is moving upmarket, allowing brands like Formex, Longines, and Sinn to sweep in and fill its former […] Visit Do Tudor’s Price Increases Create More Space For Players Like Formex, Longines, And Sinn? to read the full article.

New: Sinn 1739 Römerberg Deployant
Sinn 1739 Römerberg DEPLOYANT - May 10, 2025

New: Sinn 1739 Römerberg

The Sinn 1739 Römerberg is a thoughtfully designed timepiece that pays tribute to Frankfurt's historic architecture. Its deep red sunburst dial reflects the red Main sandstone of the Haus zum Goldenen Rad, a building recognized for its restoration efforts. While visually striking, the polished stainless steel case and understated appliques maintain an elegant simplicity. The exhibition case back, featuring an engraving of the Frankfurt Römer, reinforces the watch’s connection to the city’s heritage.

Sunday Morning Showdown: Sinn T50 Titanium Vs. Seiko Prospex Marinemaster SLA081 Fratello
Seiko Prospex Marinemaster SLA081 Another Mar 30, 2025

Sunday Morning Showdown: Sinn T50 Titanium Vs. Seiko Prospex Marinemaster SLA081

Another Sunday, another showdown! This week, we’re matching up two professional titanium dive watches that come in under €5K. The first is the recently introduced Seiko Prospex Marinemaster SLA081. This new version of the popular Marinemaster was released to celebrate 60 years of Seiko dive watches. The second is the Sinn T50, which debuted in […] Visit Sunday Morning Showdown: Sinn T50 Titanium Vs. Seiko Prospex Marinemaster SLA081 to read the full article.

Introducing the New Sinn 613 St and 613 St UTC Worn & Wound
Sinn 613 St Mar 4, 2025

Introducing the New Sinn 613 St and 613 St UTC

The new year has already seen a slate of new Sinn timepieces with fresh color schemes, designs, and materials. But the German brand hasn’t forgotten the importance of the watch as a tool, either, and the new 613 St and 613 St UTC are prime examples of Sinn’s dedication to functionality in tandem with form.  With a crisp matte black dial and white chronograph subdial at 6 o’clock, the 613 St embodies Sinn’s most recognizable principles of legible design. Day and date windows sit at the 3 position, with Sinn’s Ar-Dehumidifying Technology logo at 4, indicating that the 613 St comes with the proprietary anti-fogging technology. A second subdial-black with light gray borders and numerals-occupies the 9 o’clock position, giving the 613 St both 60-minute and “running seconds” stopwatch functions.  The 613 St UTC variant adds another layer of complication, with a second time zone featuring light gray 24-hour markers around the inside of the dial. Here, a UTC text detail also replaces the day window and the 60-second subdial is infringed upon, but all else remains the same between the two siblings design-wise. Indices and the hour, minute, and second hands on both models are luminescent, as is the key mark on the minute-ratcheting captive diver’s bezel. An anti-reflective sapphire crystal sits atop the dial. Both 613 St variants are protected by the same bead-blasted stainless steel case, measuring 41mm in diameter. A screw-down crown and caseback seal in th...

Everything You Need to Know About Sinn’s Latest Dive Watch Collection Worn & Wound
Sinn s Latest Dive Watch Mar 3, 2025

Everything You Need to Know About Sinn’s Latest Dive Watch Collection

There are several places you’d never find me-gas station bathrooms, water parks, and tiny airplanes come to mind-but perhaps the very last place I’d ever agree to set foot would be inside a submarine. Stuck inside a metal tube with the crushing weight of the ocean all around you? No thanks, I’ll stay on land. Still, it’s hard to deny the romance of the submarine, especially given that our ocean is still largely unexplored. Whether in scientific expeditions or military endeavours, the remarkable underwater vessel has long gripped the human imagination.  With their latest U series of divers, Sinn is honoring a piece of that maritime history. In part a celebration of 20 years of the German brand using submarine steel in its diving watches, the U15, U16, and U15 each represent a different 1970s German submarine of matching name. The name isn’t just a superficial connection, though-each model of these new U series is limited to 1,000 pieces, and features a case and bezel constructed with submarine steel from the outer hull of the actual corresponding namesake submarine.  What Sets the Models Apart?  At first glance, each U diver looks very similar-they all share that satinized submarine steel case, a captive dive bezel with minute ratcheting, a screw-down crown at the 4 o’clock position, and a striking dark blue-green high-gloss dial with a stream of lighter blue bubbles down the center. But as the names suggest, each yields slightly different design elem...

Introducing: The Sinn U15, U16, And U18 Dive Watches Made Of German Submarine Steel Fratello
Sinn U15 U16 Feb 22, 2025

Introducing: The Sinn U15, U16, And U18 Dive Watches Made Of German Submarine Steel

When it comes to Sinn, you know that any limited edition does not come without a special functionally inspired story behind it. It’s not in the brand’s nature to release a new LE “just because.” To celebrate its 20th anniversary of creating diving watches made of submarine steel, Sinn has come up with the new […] Visit Introducing: The Sinn U15, U16, And U18 Dive Watches Made Of German Submarine Steel to read the full article.

Introducing: The Sinn 613 St And 613 St UTC Diving Chronographs Fratello
Sinn 613 St Feb 21, 2025

Introducing: The Sinn 613 St And 613 St UTC Diving Chronographs

In a world where dive watches increasingly serve as crossovers between daily timepieces and backups for dive computers, Sinn doubles down on hardcore tool divers. The press materials for the new Sinn 613 St and 613 St UTC read like a very serious proposition for a clientele wielding underwater welding equipment rather than a snorkel […] Visit Introducing: The Sinn 613 St And 613 St UTC Diving Chronographs to read the full article.

Owner’s Review: the Sinn EZM 7 Worn & Wound
Sinn EZM 7 Here’s Feb 4, 2025

Owner’s Review: the Sinn EZM 7

Here’s the scenario: you’re on the third floor of a burning building, kitted out in all your firefighter gear, battling the blaze and smoke as you search for survivors. As you fight your way from room to room, the wood floors are buckling beneath your boots, and desperate sirens are blaring outside. In the intense heat, you have no way of knowing how long your equipment will last. Unless that is, you’ve added a Sinn EZM “Mission Timer” 7 to your loadout.  Okay, I digress-I have never been in a burning building (knock on wood) and I hope I’ll never have to monitor the degradation of my “gear”, whatever that may mean. But I do have an EZM 7, and it has, surprisingly, come in handy in much more mundane situations than it was meant to be used in.  To start at the beginning of my journey with the EZM (acronym derived from the German Einsatzeitmesser, or “operation time meter”), you may need a brief overview of the person writing this. Most of my friends and family would admit to having asked me to fix something on their car or in their home at some point, and to say that I’m into tool-style watches would be a devastating understatement. The more information that can be gleaned from (or tortured out of) a watch, the more likely I am to wear it. The EZM 7, then, is an easy win for me, and clearly my dad thought the same when he gifted me a used model upon the completion of my Master’s degree in Creative Writing in May 2024.  Since then, the EZM 7 has ...

Fratello Favorites: The Best Watches Of 2024 - Nacho’s Picks From Sinn, Doxa, Tudor, And Omega Fratello
Tudor Dec 30, 2024

Fratello Favorites: The Best Watches Of 2024 - Nacho’s Picks From Sinn, Doxa, Tudor, And Omega

It’s hard to believe that 2024 is just a day away from being over. Yet, as quickly as these last few weeks have flown by, in hindsight, it’s been a big year for watches. As is now tradition, the Fratello team takes turns sorting through the best watches of 2024 and sharing our favorites with […] Visit Fratello Favorites: The Best Watches Of 2024 - Nacho’s Picks From Sinn, Doxa, Tudor, And Omega to read the full article.

Hands-On With The Cockpit-Clock-Inspired Sinn 717 Fratello
Sinn 717 Nov 28, 2024

Hands-On With The Cockpit-Clock-Inspired Sinn 717

The Sinn 717 debuted in 2021 and has won at least two major German design awards. It’s a large and legible chronograph with looks inspired by the NaBo 17 cockpit clocks from the legendary Tornado jet fighter. We’ll look at the 717 again and shed light on an interesting NaBo 17-related story that surfaced. My […] Visit Hands-On With The Cockpit-Clock-Inspired Sinn 717 to read the full article.

W Worn & Wound
Worn & Wound
Christopher Ward s new C60 Lumiére Sep 15, 2024

A Week in Watches Ep 89: Sinn for the Win(n)!

On episode 89 of A Week in Watches, Zach Weiss checks out a trilogy of new releases. First up, from the UK is Christopher Ward’s new C60 Lumiére. Featuring big blocks of Globolight, it’s a lume fiend’s dream. Next is a new and long-awaited Sinn, the 156.1, a follow-up to an iconic Sinn with an exciting history. Last, but not least, are the Louis Erard x Stefan Kudoke Le Regulateurs. A collaboration with an indie star, these watches bring a refined aesthetic to Louis Erard’s regulator watches. This week’s episode is brought to you by the Windup Watch Shop, which has just added several awesome watches to its collection. From Hamilton, they’ve added the just released 33 and 38mm Khaki Field Quartz. Yes, 33mm just like the original Khaki fields. From Louis Erard is the new Metropolis Green, an art deco inspired collaboration with the Instagram famous @thehorophile. There’s also more from Casio, G-SHOCK, Laco, and others so head to windupwatchshop.com to check them out. The post A Week in Watches Ep 89: Sinn for the Win(n)! appeared first on Worn & Wound.

Accessible Flyback Chronographs: Five Value Propositions Well Under €10K From Longines, Sinn, Frederique Constant, And More Fratello
Frederique Constant Sep 12, 2024

Accessible Flyback Chronographs: Five Value Propositions Well Under €10K From Longines, Sinn, Frederique Constant, And More

The flyback function is arguably the epitome of technicality in sports watches, and it can be an expensive collection goal. Many of you will know the snap-quick function from Patek Philippe and über-horology from the likes of A. Lange & Söhne. However, as manufacturing techniques improve, so does the possibility of (comparatively) affordable flyback chronographs. […] Visit Accessible Flyback Chronographs: Five Value Propositions Well Under €10K From Longines, Sinn, Frederique Constant, And More to read the full article.

Finally! Sinn Revives an Iconic Military Chronograph Worn & Wound
Sinn Revives Sep 9, 2024

Finally! Sinn Revives an Iconic Military Chronograph

Sinn fans rejoice; the Frankfurt favorite has finally released a watch we’ve all been waiting for. 156 is a number that most Sinn fans have memorized as it refers to one of the most excellent watches in the Sinn archives, not just because of its looks but also because of its lineage and movement(s). You see, the story of the 156 begins with a watch by a different brand altogether, the Heuer-Leonidas Bundeswehr 1550 SG, commonly called the “Heuer Bund.” image credit: analogshift.com A pilot’s chronograph used in the 60s and 70s mainly by the German airforce, though others as well, the Bund was a remarkable tool watch of its day. Powered by the manual wound Valjoux 22 and Valjoux 230 calibers, they featured flyback mechanisms and a clean, bold design with large lumed numerals and a particularly appealing bezel layout. Measuring 43mm in diameter and 13mm thick, they were huge for the era, though in keeping with pilot watch tradition. Helmut Sinn, the founder of Sinn, purchased old inventory of these watches in the 1980s, reconditioned them, added Sinn branding, and rebadged them as the Sinn 155 Bw. In the late 1980s, Helmut set out to create a new generation of military-issued pilot’s chronographs with the 156 by combining the case and general dial design of the 155/Bund with relatively new-to-the-market automatic chronograph movements by Lemania. Thus, the 156 is the direct successor to the Bund via the 155. My Sinn 156 – gone, but not forgotten The 156s most com...

Introducing: The Return Of The Sinn 156 With The New 156.1 And 156.1 E Fratello
Sinn 156 Sep 9, 2024

Introducing: The Return Of The Sinn 156 With The New 156.1 And 156.1 E

Have a quick look at the images in this article. Isn’t the 156 just the archetypal Sinn watch? Well…no, it’s actually not. This model is an adaptation and evolution of Bundeswehr-issued pilot’s watches from other brands. However, you can leave it to the good people at Sinn to take a good thing and make it […] Visit Introducing: The Return Of The Sinn 156 With The New 156.1 And 156.1 E to read the full article.

Purpose Built: The Sinn EZM 12 SJX Watches
Sinn EZM 12 “Tool” watches Aug 8, 2024

Purpose Built: The Sinn EZM 12

“Tool” watches form a substantial part of watchmakers’ offerings today, at practically every point of the price spectrum. But true tool watches built for – and actually used by – professionals are rare. That’s partly due to the fact that inexpensive electronic watches do just as good a job. But Sinn continues to offer unusual timekeepers conceived specifically for professionals, ranging from pilots to firefighters, including the EZM 12 designed for emergency medical workers. Dr Martin Leitl with the EZM 12 Einsatzzeitmesser Historically a brand focused on tool watches, many watches in Sinn’s catalogue are no-frills timepieces with maximum functionality and legibility. Arguably the pinnacle of its tool watch line-up is the EZM series, short for Einsatzzeitmesser, which translates as “mission timer”. A “mission timer”, generally speaking, is an instrument for time measurement in a professional capacity, often one used for military applications, timekeeping on scientific expeditions, or even automobile races and rallies. The watches that make up the EZM series are largely designed for the needs of professionals in various fields, often conceived with the input of users in the field. The EZM 1 The watch that started the series was the EZM 1 with its distinctive left-handed case orientation. Introduced in 1997, the first “mission timer” was developed for the Zentrale Unterstützungsgruppe Zoll (ZUZ), the tactical unit of Germany’s federal customs aut...

Our Favorite Releases of the Year (So Far…) Worn & Wound
Sinn U50 HYDRO I had Jul 26, 2024

Our Favorite Releases of the Year (So Far…)

Well, we’re a little more than halfway through 2024, so we thought it would be a good time to ask our contributors about their favorite watches of the year to this point. It’s been, to put it mildly, a strange year. Coming off 2023, a watch release year that saw an almost never ending string of hits, 2024 seems a bit more sedate. But the highs, as they say, have been high, and there are specific sectors of the watch world that seem to be thriving with creativity and pushing serious boundaries.  The selections here from our staff and contributors run the gamut, as always, from large brands to small, affordable to luxury. We’d love to hear from you: let us know what your favorite releases of 2024 are in the comments below.  Zach Weiss – Sinn U50 HYDRO I had a bit of a hard time picking a watch for the topic, and to be honest, it’s because I haven’t been overly blown away by anything yet this year. Not that they’ve been bad; there just hasn’t been much that has really tempted me personally. That’s probably a good thing, but, as I pondered releases, one watch eventually stood out: the Sinn U50 Hydro. The Sinn U50 line was already a great success for the brand, bringing their distinctly modern, tool watch language to a manageably-sized dive watch. But, this year when they added their HYDRO technology to the package, it made it a watch that truly could only be a Sinn, and likely appreciated by only devoted Sinn enthusiasts. For those unaware, Sinn’s HYDRO w...

Fratello Favorites: The Best Summer Watches At Three Different Price Points - Jorg’s Picks From Certina, Sinn, And Hublot Fratello
Certina Sinn Jul 15, 2024

Fratello Favorites: The Best Summer Watches At Three Different Price Points - Jorg’s Picks From Certina, Sinn, And Hublot

With the summer holidays approaching, it’s time to talk about summer watches. Thomas started this series with his three favorite summer watches at three different price points. We are looking for one pick under €1,000, another under €10,000, and an unlimited-budget option. It seems like a fairly straightforward task, but as it turns out, it’s […] Visit Fratello Favorites: The Best Summer Watches At Three Different Price Points - Jorg’s Picks From Certina, Sinn, And Hublot to read the full article.

Hands-On With The Revamped Sinn 903 St II In Black Fratello
Sinn 903 St II Jul 4, 2024

Hands-On With The Revamped Sinn 903 St II In Black

One of the perks of my line of work is that I sometimes get to experience watches I wouldn’t have normally sought out. Nacho requested the Sinn 903 for himself to test but found his schedule overfilled with management responsibilities and handed the watch to me. So I strapped on the newly revamped Sinn 903 […] Visit Hands-On With The Revamped Sinn 903 St II In Black to read the full article.

Fratello Favorites: The Best Watches Under €5,000 - RJ’s Picks From Longines, Cartier, Tudor, Sinn, And Fortis Fratello
Longines Cartier Tudor Sinn Jul 4, 2024

Fratello Favorites: The Best Watches Under €5,000 - RJ’s Picks From Longines, Cartier, Tudor, Sinn, And Fortis

It has already been nine months since our last series of articles about the best watches under €5,000. I had to look up my choices from last time (new watches from Longines, Tudor, and Seiko and a pre-owned pick from Omega). I still stand by those picks, but my mood is slightly different these days, […] Visit Fratello Favorites: The Best Watches Under €5,000 - RJ’s Picks From Longines, Cartier, Tudor, Sinn, And Fortis to read the full article.

Fratello Favorites: The Best Watches Under €5,000 - Nacho’s Picks From Tudor, Breitling, Sinn, And Cartier Fratello
Breitling Sinn Jun 26, 2024

Fratello Favorites: The Best Watches Under €5,000 - Nacho’s Picks From Tudor, Breitling, Sinn, And Cartier

As we continue this year’s Fratello Favorites series, picking the best watches at several specific price points, we have arrived at the €5,000 limit. This is where we start to see some of the biggest names in watches come into the equation. As I mentioned last year, rising prices mean that some brands whose watches […] Visit Fratello Favorites: The Best Watches Under €5,000 - Nacho’s Picks From Tudor, Breitling, Sinn, And Cartier to read the full article.

Sinn Introduces the 903 St II Navigation Chronograph SJX Watches
Breitling Navitimer – Jun 3, 2024

Sinn Introduces the 903 St II Navigation Chronograph

Known for its military-inspired instrument watches, Sinn revisits one of its signature models with the 903 St II Navigation Chronograph. Updated in terms of the movement and case, the new 903 makes its debut with three dial variants, including a limited edition featuring an attractive light blue dial. Initial thoughts The 903 St is curious for bearing a striking similarity to the Breitling Navitimer – a result of Breitling having sold the rights to produce the Navitimer when it went bust during the Quartz Crisis. While the earliest versions of the 903 were essentially rebadged Navitimers – Sinn having bought the components from Breitling – the new 903 is a Sinn creation and also better than previous generations. The 903 St II in classic black Compared to earlier generations of the model, the 903 St II is streamlined and improved. Upgrades include removing the fiddly second crown at ten (so the slide rule is now directly operated via the bezel), the addition of luminous blocks for indices, and an applied logo.  The appeal of the new 903, however, does have one caveat: the date between four and five remains, but only on the regular production version. It’s absent on the limited edition, but that arguably should have been done for all variants.  The standard 903 St costs US$3,730 with a leather strap, and an additional US$240 for a bracelet. The 500-piece limited edition model is priced at US$4,170. The affordable price makes it a more attractive proposition than ma...

Fratello Favorites: The Best Watches Under €2,500 - Thor’s Picks From Tissot, SpaceOne, And Sinn Fratello
Tissot SpaceOne May 25, 2024

Fratello Favorites: The Best Watches Under €2,500 - Thor’s Picks From Tissot, SpaceOne, And Sinn

I’m sorry; I misunderstood the task at hand. This is not about me being given €7,500 to spend on three watches… I’ve reluctantly given myself a purchasing embargo, and for an addict, that’s not easy, hence the happy outburst. But I still relish the challenge of picking the best watches under €2,500, which is not […] Visit Fratello Favorites: The Best Watches Under €2,500 - Thor’s Picks From Tissot, SpaceOne, And Sinn to read the full article.

Sinn T50 Review: Overengineered Titanium Excellence Two Broke Watch Snobs
Sinn T50 Review Overengineered Titanium May 21, 2024

Sinn T50 Review: Overengineered Titanium Excellence

The Sinn T50 is a tool watch by every measure of the phrase. Sinn took the chassis of the U50, swapped it to Titanium, “fixed” the handset, and added their Ar-Dehumidifying technology. It is this golden ratio of utility perfection, in my opinion. The same week the T50 was delivered, I departed on a two-week-long trip to Scotland. This was a perfect opportunity to get some long dedicated time with it for this review and I am eager to share my experiences with you.