Two Broke Watch Snobs
The Sinn 544 Might Be My New Favorite Entry-Level Watch From The Brand
Sinn announces the all-new 544 and 544 RS. This 38.5mm neo-vintage sports watch might just be the most exciting entry-level Sinn yet.
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Two Broke Watch Snobs
Fratello
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.
Fratello
Fratello’s Top 5 Recently Released Two-Tone Watches - Featuring Girard-Perregaux, Rolex, Sinn, And More…
Another Friday, another list! For this week, we prolong our series of lists focused on materials used for watch cases and bracelets. Whereas we covered modern ones over the past three weeks, today’s list focuses on a classic combination of materials. However, we deliberately chose to create a list of two-tone watches rather than just […] Visit Fratello’s Top 5 Recently Released Two-Tone Watches - Featuring Girard-Perregaux, Rolex, Sinn, And More… to read the full article.
Deployant
New: Sinn U50B
Sinn releases a new variant of their U50 dive watch, now in a blue dial with 3 strap options, and now feature a beautiful matt-blue dial.
Worn & Wound
Audemars Piguet, Sinn, and Additional Brands Join the Watches & Wonders 2026 Roster
The watch community woke up to a flurry of announcements related to Watches & Wonders 2026 this morning, which is (gulp) just about 6 months away. The news includes the addition of multiple brands, including one major and longstanding holdout, as well as others moving to higher profile locations in Palexpo. The big news is that Audemars Piguet, makers of the Royal Oak and a member of the so-called “Holy Trinity” of old school Swiss Maisons, will finally be exhibiting at Watches & Wonders. Audemars Piguet had previously been one of the main draws at SIHH, a predecessor of Watches & Wonders, also held at the Palexpo, so the brand is no stranger to the convention center’s cavernous halls. In a press release, CEO Ilaria Resta explains “Watches and Wonders is more than an exhibition – it is a space for meaningful exchange with our peers and a celebration of our shared heritage and craftsmanship. We look forward to welcoming visitors to Audemars Piguet’s world as we shape the future of watchmaking together.” Audemars Piguet is not the only brand being added to the Watches & Wonders roster. Ten additional brands have been announced as participants as of this morning. Joining AP at the show for the first time are Behrens, Bianchet, B.R.M Chronographes, Charles Girardier, Corum, Credor, Favre Leuba, l’Epée 1839, March LA.B and Sinn. This lineup is quite varied, with everything from elaborate mechanical clocks, to more accessible tool watches represented, and brands...
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The BEST Sinn UX homage is the PERFECT "tryout" for the real deal - Militado ML16
A special thank you to all the channel members:
Fratello
Sinn Introduces A New EZM 3 S, 556, And 104 Classic 12
It’s hard to believe that 2025 is heading into the home stretch, but here we are in September. For watch fans, that means it’s time for a flurry of new releases. One brand getting in on the action immediately is Sinn. Today, we’ll quickly highlight the new EZM 3 S, a set of colorful 556 […] Visit Sinn Introduces A New EZM 3 S, 556, And 104 Classic 12 to read the full article.
Deployant
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.
Worn & Wound
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...
Monochrome
Introducing – The new Sinn 613 St And 613 St UTC Diving Chronographs
Let me give you one word that matters for the company and fans of the brand: Einsatzzeitmesser, or should I say EMZ. Now things should become a bit clearer for you, as there’s a good reason why, when looking at these new Sinn 613 St and 613 St UTC models, they might ring a bell. […]
Worn & Wound
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...
Video
Sinn no longer makes one of their coolest watches, so Milifortic made one!! ML111 unboxing!!!
Fratello
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.
Fratello
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.
Worn & Wound
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
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.
Worn & Wound
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...
Video
CHEAPEST & BEST Sinn 556 homage - Milifortic ML10
Fratello
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.
SJX Watches
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...
Fratello
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.
Fratello
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
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.
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Poor man's Sinn 556 - Milifortic Pilot unboxing
Fratello
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.
Two Broke Watch Snobs
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.
Deployant
New: Sinn 903 series
The Sinn 903 series, a collection with a storied past and a significant place in horological history, has recently been revitalized with the introduction of three new models. These timepieces, which include the 903 St HB, 903 St II, and 903 St B E II, show Sinn's commitment to innovation while respecting the brand's rich heritage.
Worn & Wound
Celebrating 30 Years of the Lothar Schmidt Era at Sinn HQ
On an unusually warm day in early March, I was invited to visit Sinn headquarters in Frankfurt, Germany. Sinn had prepared a special program including a special exhibition showcasing their technologies over the last 30 years in the main foyer. This was followed by a factory tour, and finally seeing their latest collection. Most of us are familiar with the origins of Sinn, which all started with Helmut Sinn, who was a flight instructor, and former World War II pilot. The company’s core business under his ownership was the manufacturing of navigation clocks and pilot chronographs. In 1994, certified engineer Lothar Schmidt acquired the company from Helmut Sinn and renamed it to “Sinn Spezialuhren GmbH”. Lothar Schmidt worked previously with IWC, and was also part of Günter Blümlein’s team to revive A. Lange & Söhne. This year Sinn is celebrating 30 years since Mr. Schmidt acquired the company. It was a coincidence that the day of my visit, news broke regarding Mr. Schmidt’s succession plans. He will celebrate his 75th birthday this year, and announced plans to create a foundation similar to the Hans Wilsdorf Foundation, that will own the shares of Sinn and its subsidiary companies. Mr. Schmidt also owns the SUG casemaker in the famous watchmaking village of Glashütte. Over the past 30 years, Mr. Schmidt, with his engineering background, has developed several technologies for Sinn watches. In 1995, Ar-Dehumidifying Technology was introduced for the first tim...
Monochrome
Introducing – The New Generation of Sinn 903 St Navigation Chronograph
Founded in 1961 by former military pilot Helmut Sinn, German watchmaker Sinn has long specialised in crafting rugged sports, pilot and instrument watches with a slightly military approach. Emblematic models such as the U1 (and its smaller version, the U50), the Bundeswehr chronograph or the 103 St have forged the brand’s reputation. There’s another watch […]
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