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Casio F-91W Review Teddy Baldassarre
Casio May 20, 2025

Casio F-91W Review

The Casio F-91W is the best-selling wristwatch of all time, with more than 100 million units sold. This statement comes a pretty significant caveat, which depends on whether or not you consider the Apple Watch - well, a watch. I am a defender of “smartwatches,” but I think they have evolved to the point where “wearable” is a more appropriate term given the fact that their functionality when it comes to communication and health monitoring exceeds what any watch has ever done. So, with that established for the sake of this article, let’s put the 300 million Apple Watch sales aside for now. Casio F-91W History And "Controversy" The Casio F-91W was introduced all the way back in 1989 and is still in production, with the astonishing figure of 3 million units per year. What's even more remarkable is the fact that the Casio F-91W you can buy in 2025 basically looks the same as one you could have bought when it first launched 36 years ago. It was also the first watch designed by Ryuusake Morai, the prolific designer behind some of the most iconic Casio G-Shocks seen today. When a watch has been around as long as this, it can transcend fads and trends, but few can claim immunity/teflon status to an unfortunate PR association like the F-91W when it was used as a timer for explosives. I would absolutely not call it a “controversy,” because that would just be silly, but the always-excellent Watches of Espionage has a fantastic article dedicated to the topic, which you ...

Casio Duro Teddy Baldassarre
Casio May 6, 2025

Casio Duro

It’s hard to believe that the Casio Duro has only been around for fourteen years now. It’s been at the top of affordable dive watch lists so consistently that you’d be forgiven for thinking it’s been around since the 1990s, but indeed, 2011 was the year this S-tier value proposition hit the market. The original Casio Duro MDV-106 was a mainstream success, selling over 600,000 units in its first decade. And it’s not difficult to understand why the Duro was such a crowd pleaser: a 200-meter water-resistant diver with classically appealing sporty aesthetics and genuinely nice finishing for $50 at launch (it retails for a still downright cheap $70 these days). Even for a brand known for its affordable classics, Casio had a genuine hit on its hands and over the years added colorways like blue and gilt, along with several bezel variants. And, of course, being the watch of choice for Bill Gates certainly didn’t hurt in cementing the Duro’s reputation. Here, I will get into why the Casio Duro is one of the best affordable offerings of the last quarter of a decade. And since I know you’re thinking it, I’ll begin by addressing the smaller 38mm model and why I don’t categorize it as a “True Casio Duro.” Casio Duro Case and Wearability: Let’s start with the admission of the fact that the 44mm case size is the Casio Duro’s biggest flaw. Yes, it’s a pretty big diver measuring 44.2mm wide and 12.1mm thick with a lug-to-lug height of 48.5mm. To address the no...

G-SHOCK Helps Casio Ring in their 50th Year in Watches with the GMC-B2100ZE Worn & Wound
Casio Ring Apr 22, 2025

G-SHOCK Helps Casio Ring in their 50th Year in Watches with the GMC-B2100ZE

One of the only bad things that came out of me getting rid of my Facebook account was that I have no idea when anyone’s birthdays are anymore. Now, I have just two options. I either have to awkwardly ask my friend of seventeen years if she’s the 15th or the 19th of June (only to be told it’s December 7th) or I cut them out of my life completely, not being able to face that embarrassment. The same goes for anniversaries. I only remember my parents’ anniversary because they honeymooned at Dollywood and I think that’s something worth remembering. And I’ve cheated a little to remember my own anniversary as it’s a bit mneumonical: my husband and I began dating on January 1 and we got married on November 11. I’m surely going to be in big trouble with my second husband. All the good dates have been taken. What I really need, I think, to remember an anniversary is a watch to commemorate it (or, at the very least, a press release sent to a bunch of journalists to write about). That is, in fact, what Casio did for their 50th anniversary in watchmaking with a new G-SHOCK earlier this month, a black and gold all-metal version of their GMC-B2100 series. Like others in the B2100 collection, the anniversary edition has the now-iconic octagonal shape, but rendered in stainless steel. Coming in a black and gold motif, one may think this colorway is a nod to my own Pittsburgh heritage; but you’d be mistaken. According to Casio, this particular color combination represents ...

Casio Introduces New Versions of the Pro Trek PRG-340 with CASTLON Straps Worn & Wound
Casio Introduces New Versions Mar 20, 2025

Casio Introduces New Versions of the Pro Trek PRG-340 with CASTLON Straps

In 1995, Casio launched their Pro Trek line with the DPX-500 (a topic briefly discussed in my previous article about the Casio MW-43). Thirty years later, they’re still one of the best bang-for-buck options available when it comes to rugged, reliable timekeeping. A brand synonymous with the outdoors––and the many physically demanding activities associated with it––Pro Trek has announced the release of new versions of their most eco-friendly timepiece: the PRG-340.  The central focus of this new model is its strong emphasis on sustainability and functionality. The case is crafted of bio-based resin and its cloth band is made of CASTLON, a rather novel material manufactured using 100% plant-derived Nylon 11 fiber produced with the oil of castor plants. Not only carbon-neutral and treated with a fire-retardant finish, these CASTLON bands claim to be more chemical resistant, wear resistant, and flexible at low temperatures compared to their conventional Nylon 6 counterparts. There are two different variants of the PRG-340, one with an Olive Green case and CASTLON band (PRG340B-3) and the other with a Coyote Brown case and faux leather band (PRG340L-5). These two options are quite versatile and will match most any outdoor gear typically worn on hikes and other outdoor adventures. From an aesthetics perspective, the PRG-340 is reminiscent of other Pro Trek models released by Casio but does a good job separating itself with its duplex LCD display and bi-directional rot...

The Casio MW-43: The First Analog Pathfinder with a Navigational Party Trick Up Its Sleeve Worn & Wound
Casio MW-43 Mar 11, 2025

The Casio MW-43: The First Analog Pathfinder with a Navigational Party Trick Up Its Sleeve

When I read Devin Pennypacker’s article in January about the W.O.E. Submersible Wrist Compass, it really got me thinking about the connections between wristwatches and compasses. Both physical tools––and both debatably archaic because of rapid advancements in technology––there’s a certain allure to owning and utilizing these tactile devices instead of the applications on a smartphone. What better way to demonstrate the relationship between watches and compasses than combining them into one piece? The Casio MW-43 is a watch like no other, and its combination of timekeeping and navigation make it a unique piece of horology that deserves far more attention. The MW-43 and Pathfinder’s Seemingly Undocumented History Very little information exists about the MW-43’s creation and, surprisingly, the origins of the Pathfinder branding. The first ever triple sensor watch model, the Casio ATC-1100, was released in 1994. The first Casio Pro Trek-branded timepiece, the DPX-500, was launched in 1995. The first Pathfinder models were produced in 1995 and include (but may not be limited to) the SPF-50, SPF-10, PAT-30, ALT-6300, and PAT-600. Both the aforementioned ATC-1100 and DPX-500 are virtually identical apart from cosmetic colorway differences, and this design would later be reused under the Pathfinder branding as the PRT-40 in 1996.  This complicated chronology has caused a bit of confusion within the collecting community, but I hope this explanation will help to rem...

Celebrating The G-Shock DW-6900 Triple Graph’s 30th Anniversary With Three New Versions Fratello
Casio added Mar 5, 2025

Celebrating The G-Shock DW-6900 Triple Graph’s 30th Anniversary With Three New Versions

In 1995, Casio added the DW-6900 model to its G-Shock line, marking an evolution in the design and functionality of digital watches. With its round case, Triple Graph display, and front-mounted light button, the DW-6900 quickly became a favorite among watch enthusiasts and professional users. Its 30th anniversary in 2025 is a good moment to […] Visit Celebrating The G-Shock DW-6900 Triple Graph’s 30th Anniversary With Three New Versions to read the full article.

Why This $20 Casio Forester Is Watch-Snob Approved Teddy Baldassarre
Casio Feb 13, 2025

Why This $20 Casio Forester Is Watch-Snob Approved

I will admit to being fairly hard to please when it comes to my watches. After a decade in watch media and several more years as an enthusiast, I’ve seen and handled just about every type and brand of watch out there, so, yeah, one gets a little jaded. But every now and then a watch comes along that is truly appealing with a price that isn’t accessible or affordable but actually just cheap. This Casio Forester is such a watch. This article contains no affiliate links or commission. Amidst the countless tributes to late U.S. President Jimmy Carter a few weeks ago, I noticed a photo I had never seen before in which he was wearing an ana-digi watch. After some sleuthing I learned it was a Casio Forester FT600WB-5BV, a watch I have never really thought about or even worn. Still I was intrigued by its Presidential provenance and got to Googling and, while the ana-digi seems to be discontinued, I was even more pleased to see a very attractive contemporary Casio Forester listed at just around $20 at several sellers including Amazon and Walmart. So I said, “What the hell?” and bought the FT500WC-3BVCF, which comes in a black and forest green colorway. I was tempted by the other two offerings as well: the all-black FT500WC-1BVCF and the brown/tan FT500WC-5BVCF. I’ll be honest and say my expectations were pretty low. I mean, we’re talking about a $20 watch in a resin case. Well, to my surprise, I kind of fell in love with it as soon as I opened up the packaging. The qual...

An Ode to Origins with The New Casio G-SHOCK DW-5000R Worn & Wound
Casio G-SHOCK DW-5000R Jan 2, 2025

An Ode to Origins with The New Casio G-SHOCK DW-5000R

In 1983, Sally Ride became the first American woman in space, the final episode of the acclaimed television series MASH* aired, the members of rock band KISS were seen without their makeup for the first time, and the first Casio G-SHOCK, the DW-5000C, was released to consumers. An incredibly rare piece to find nowadays––especially in good condition without a crumbling band or shroud––this model has become an elusive collector’s item, practically unobtainable for the common hobbyist. Forty-one years later, Casio has just announced their modern redesign of the original 5000C in their new DW-5000R model. Throughout 2024, the brand released numerous watches in commemoration of their 50th anniversary like the GMWB5000SS-2, TRN50SS-2A, and GMC-B2100ZE-1A, but the faithful recreation of this model is sure to be a hit amongst both Casio enthusiasts and ordinary customers looking for a new but retro-inspired watch.  The DW-5000R is built with a stainless-steel case and “Shock Resistant” labeled screw-down case back, a rare sight on modern Casios and yet another callback to the company’s roots. The shroud and band are constructed of environmentally friendly yet durable bio-based resin. Its dial is arguably the most significant characteristic of these models, fit with the iconic brick backsplash, red outline, and yellow and blue lettering. Manufactured in Yamagata, Japan––within the same mother factory that produced the original DW-5000C–– “JAPAN” is feat...

Introducing: The G-Shock MRG-B2000JS-1A Juryoku-Maru: San Fratello
Casio G-Shock presents Dec 28, 2024

Introducing: The G-Shock MRG-B2000JS-1A Juryoku-Maru: San

Casio G-Shock presents a high-end MR-G model inspired by Japanese craftsmanship every year. A regular MRG-B2000 is already on G-Shock’s top shelf. However, models designated with resounding Japanese names, such as Tsuiki, Tetsu-Tsuba, Sadanobu Gassan, Shougeki-Maru, and Hana-Basara, are the epitome of G-Shock technology. The Juryoku-Maru: San, a katana specially made for G-Shock by master […] Visit Introducing: The G-Shock MRG-B2000JS-1A Juryoku-Maru: San to read the full article.

Just A Minute With The Casio Casiotron All Black Worn & Wound
Casio Casiotron All Black 1974 Dec 6, 2024

Just A Minute With The Casio Casiotron All Black

1974. The year that launched Skylab 4, The Godfather Part II, and the very first Casio digital watch. Fifty years later, Casio has relaunched the Casiotron for the modern era. With updated sizing, a sleek black and gold color scheme, and a vintage Casiotron logo at 6:00, it’s a bold statement with retro styling to match. The Casio solar quartz 3542 module packs in all the features enthusiasts have come to expect from the brand, a whole suite of features including an alarm, automatic calendar, and world time zone tracker. As always, the Windup Watch Team is available via consultation to answer any questions you have. In addition, all of these products are eligible for free domestic shipping across the US. 1974. The year that launched Skylab 4, The Godfather Part II, and the very first Casio digital watch. Fifty years later, Casio has relaunched the Casiotron for the modern era. With updated sizing, a sleek black and gold color scheme, and a vintage Casiotron logo at 6:00, it’s a bold statement with retro styling to match. The Casio solar quartz 3542 module packs in all the features enthusiasts have come to expect from the brand, a whole suite of features including an alarm, automatic calendar, and world time zone tracker. As always, the Windup Watch Team is available via consultation to answer any questions you have. In addition, all of these products are eligible for free domestic shipping across the US. The post Just A Minute With The Casio Casiotron All Black appeare...

Casio Just Re-Released The Very First G-Shock Teddy Baldassarre
Casio Dec 3, 2024

Casio Just Re-Released The Very First G-Shock

Casio's G-Shock brand is celebrating a big birthday this year. And much like many industries, it is taking its 40th anniversary as a chance to look to the past, to get nostalgic, to wax digital. The thing is, while a brand like TAG Heuer can make a statement with the launch of the KITH F1 watches in near ‘80-faithful form, or even one like Timex can reissue the IronMan in a 1:1 configuration (JDM only; sorry, USA), Casio is in a bit of tough spot…for a good reason. I think of the G-Shock like the affordable, digital version of the Omega Speedmaster "Moonwatch," a watch whose design has been altered but, in many ways, has effectively been in uninterrupted production since the 1960s – and we love it for that reason. Similarly, through models like the modern DW-5600, Casio has been producing some manner of the original G-Shock since, um, the birth of G-Shock four decades ago. And again, we love that. I mean, people really love that. I even own a DW-5600 and I’m not what you might call a G-Shock guy, or a G-shocker, or whatever it is you call it (to be honest, people probably don’t call it anything). This has been a deeply circuitous route to saying that the brand has released a throwback G-Shock to celebrate its own birthday which is essentially a reissue of the very first G-Shock. And all of my preamble is to illustrate that, at first blush, you probably don’t notice anything massive here. But like any release worthy of watch nerdery, the devil is in the resin...

News: Casio To Release Its First Functional Ring Watch Teddy Baldassarre
Casio Nov 22, 2024

News: Casio To Release Its First Functional Ring Watch

Seizing the final months of the 2024 trend cycle, Casio joins the ranks of watch brands looking to expand their product possibilities beyond the wrist. Close on the heels of the recent Timex and Maison Margiela MM6 collaboration, which included a watch ring, Casio has shrunken down its own legacy design, ready to chart the next frontier of watch-wearing real estate: the finger.  Though the Casio legacy extends all the way back to 1946, the watch branch of the business has been celebrating its 50th birthday with a number of special-edition designs. The brand’s latest commemorative design shrinks down its familiar octagonal case shape to just below an inch stature, and is crafted entirely of stainless steel. According to the brand’s website, the ability to create this tiny, functioning timepiece is thanks to novel innovations in advanced metal molding technology.  This process utilizes Metal Injection Molding to re-create the familiar and nostalgia-inducing Casio design in ring form. The caveat with this process is that the case, back cover, and ring are all molded in one continuous form, and the ring size is set to 10.5 U.S. sizing. This is something of a blow to my fellow small-ring-size friends, though the brand details that each ring will ship with adjustment spacers to accommodate more sizes.  Unlike the initial set of watch rings released by Casio last year, which were essentially toy replicas of the brand’s most iconic models, the CRW-001-1JR is a fully funct...

An Ode To The Casio G-Shock GW-B5600-2ER Fratello
Casio G-Shock GW-B5600-2ER We watch Oct 15, 2024

An Ode To The Casio G-Shock GW-B5600-2ER

We watch collectors come up with “rules” regarding our hobby. For example, “Every watch collection should have a dress watch, a sporty piece, and a beater.” This is the imperative many of us live by. While the former two may not be the cornerstones of my collection, at least not intentionally, I do have a […] Visit An Ode To The Casio G-Shock GW-B5600-2ER to read the full article.

eBay Finds: A Funky 70s Hamilton, a Genuinely Rare Casio Calculator Watch, and a Seiko Bullhead Chrono Worn & Wound
Hamilton Oct 4, 2024

eBay Finds: A Funky 70s Hamilton, a Genuinely Rare Casio Calculator Watch, and a Seiko Bullhead Chrono

eBay Finds is back! This bi-monthly installment will feature a selection of watches currently listed on eBay that have caught the eye of editor Christoph McNeil (@vintagediver). If you come across any hidden gems on the ‘Bay drop us a note at info@wornandwound.com for potential inclusion! New Old Stock Royce Here is a nice little vintage Royce that looks to be New Old Stock. The unpolished 34mm stainless steel case has a pleasing rounded design with really nice fancy lugs that feature solid attached bars. As such, you’ll need a nato strap or one that is suited for welded strap bars. The salmon colored dial looks brand new (as it should), with stylized Arabic numerals at 12, 3, 6 and 9. It has slim leaf hands, with a stylish sub-seconds dial at 6 o’clock. The watch comes with the original Royce hangtag, which is a nice touch. Seller states the watch runs, but no movement picture. View auction here Seiko Bullhead 6138-0049  The Seiko 6138-0049 Bullhead is a great beast of a 1970’s knuckle dragger, but you just have to love this watch. Seiko made two versions, the black and blue, and the brown and gold. This brown and gold dialed version personifies the 1970’s look if you ask me. The huge steel case shows some wear but is unpolished and still shows the original brushed finish and sharp edges. The dial looks original and is in fantastic shape, same with the nicely lume filled hour and minute hands. These are called “Bullhead” because of the 12 o’clock location...

Hands-On With The New Casio G-Shock Rainbow Brick Wall Collection Fratello
Casio G-Shock Rainbow Brick Wall Sep 3, 2024

Hands-On With The New Casio G-Shock Rainbow Brick Wall Collection

One of the most recognizable elements of the early G-Shocks is the famous brick-wall pattern. Did you know the pattern was deliberately chosen to emphasize the toughness of G-Shock’s timepieces? It’s a fun visual play on one of the brand’s key features. G-Shock has created six new references with a rainbow brick pattern to celebrate […] Visit Hands-On With The New Casio G-Shock Rainbow Brick Wall Collection to read the full article.

Hands-On With The 50thAnniversary Casiotron TRN-50SS And G-Shock GMW-B5000SS Fratello
Casio tron TRN-50SS Aug 15, 2024

Hands-On With The 50thAnniversary Casiotron TRN-50SS And G-Shock GMW-B5000SS

Casio has turned 50 years old this year! The brand has released a string of different 50th-anniversary models to celebrate that anniversary. We had a chance to go hands-on with the Casiotron TRN-50SS and the G-Shock GMW-B5000SS. Out of the five 50th-anniversary models, they are undoubtedly the two that speak the most to us and […] Visit Hands-On With The 50thAnniversary Casiotron TRN-50SS And G-Shock GMW-B5000SS to read the full article.