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Casio upgrades the classic F-91W watch with smart functions, and it’s already sold out in Japan

✇Yanko Design
Par : Gaurav Sood

Without a doubt, the Casio F-91W is a legendary timepiece that is still available to buy for $20. While the digital watch has retained its nostalgic charm all these years, it is indeed a little left behind when it comes to smart functionality. Casio is set to change that now with the F-B100W timepiece, which adapts the modern functions expected in a smart timekeeper. The classic 1980s digital watch in the rectangular silhouette, upgraded with the goodness of step counting – I’ll take that any day!

On the outside, this Casio timepiece looks like the trusted F-91W, but inside it has more to offer, making it a sweet deal. For now, the watch is available in Japan for ¥8,800 (around $55), and it’s not surprising it has already been sold out, at least for now. That’s almost double the price tag of the original, which is still up for $22, but you’ll also have to factor in the generational leap in smart features this new model touts.

Designer: Casio

Most of the F-B100W’s functions are fairly straightforward, and the specifications are also very close to the original, measuring 41.9 × 38.1 × 8.8 mm and weighing 26 grams. The timepiece retains features including an amber LED backlight with adjustable glow, water resistance, an hourly time signal, and five daily alarm options. For improved comfort during long hours, the bio-based plastic strap now has improved ventilation slits. Major changes come in the form of a watch battery (as opposed to a rechargeable cell), which lasts for almost two years.

What’s making this Casio timepiece a big buzz already is the inclusion of Bluetooth, which automatically syncs time or toggles the alarms or dual time display. In the mix is the phone finder feature, which can be a really useful addition without all the unwanted nuances. What I’m most excited about is the addition of the step counter and lap split time function, which can be directly synced to your phone with the companion app. You can set goals, record up to 200 laps, and monitor the progress on the watch screen as well. For times when you get too engrossed in work, the F-B100W also sends an inactivity alert via a beep and on-screen prompt. Of course, that is an optional feature that can be turned off as well.

It doesn’t have any other smartwatch features like a heart rate monitor, sleep diagnosis, or even BP monitoring, but that’s the point. The retro-modern Casio watch has all the timekeeping functions, and the most essential smart features without making the wearer too finicky about the vitals. F-B100W comes in three color variants: 1AJF, 1BJF, and 3AJF, which have a black case with a positive LCD and retro blue, red, and yellow dial accents, and all black with a negative display and gray text, respectively.

The post Casio upgrades the classic F-91W watch with smart functions, and it’s already sold out in Japan first appeared on Yanko Design.

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Glucose Tracking for Children Is Moving Into Apps and Smart Devices

✇Articles on TechRepublic
Par : TechRepublic Staff

Dexcom’s Stelo is the first over-the-counter continuous glucose monitor cleared for children. The FDA decision expands app-based glucose tracking to younger users, but schools, health care teams, and benefits leaders still need to account for device access, caregiver oversight, and coverage questions.

The post Glucose Tracking for Children Is Moving Into Apps and Smart Devices appeared first on TechRepublic.

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G-Shock Just Turned a Japanese Paper Lantern Into Wearable Art

✇Yanko Design
Par : Ida Torres

G-Shock has always known how to make a statement. From its reckless-by-design origins in 1983 to its cult status across military barracks, skate parks, and high-fashion runways, the brand has never really needed to justify itself. It just shows up. But with the new Aka-Chochin collection, built around the DW-5600AKA-4 and DW-6900AKA-4, G-Shock isn’t just showing up. It’s glowing.

The concept behind these two watches is, genuinely, one of the more thoughtful design moves I’ve seen from the brand in a while. “Aka-Chochin” translates to “red lantern,” a reference to the traditional paper lanterns that hang outside izakayas, the beloved Japanese taverns where people gather after long days for food, drinks, and the kind of conversation that only happens past 9 p.m. These lanterns, which date back to the early Edo period in the 17th century, weren’t decorative in the precious sense. They were practical and symbolic at once, signaling warmth, welcome, and the specific pleasure of slowing down. Casio took that idea and pushed it into two of its most iconic silhouettes.

Designer: G-Shock

The result is unapologetically red. Not a subtle, wine-at-dinner red. A full-on, stop-what-you’re-doing red that covers the resin case, bezel, and band from top to bottom. On paper, it sounds like a lot. In practice, it earns its confidence. Both watches carry kanji characters down the face of the dial, reading “耐衝撃,” which means “shock resistance,” one of G-Shock’s founding promises. The characters are split between the bezel and the LCD display, and when the LED backlight activates, the two halves complete each other like a puzzle piece lighting up from within. It’s a detail you have to see in person to fully appreciate, and it’s the kind of thing that elevates a colorway from a gimmick to a genuine design choice.

The bezels on both models also feature hot-stamped grooves that mimic the ribbed texture of a paper lantern, and that same motif carries through to the edges of the strap. It’s not subtle, but it is cohesive. G-Shock committed to the bit, and the commitment pays off.

Now, I’ll say this upfront: the Aka-Chochin aesthetic is polarizing. All-red anything tends to divide opinion, and a digital watch in this colorway is not trying to blend in. If your instinct is to gravitate toward muted, understated timepieces, these are probably not for you, and that’s fine. But if you’ve ever wanted a watch that reads as confident and culturally curious at the same time, the DW-5600AKA-4 and DW-6900AKA-4 make a genuinely compelling argument.

The choice of silhouettes is also worth noting. The DW-5600 is essentially G-Shock’s origin story made physical, the square case that started everything, a design so clean and deliberate it has barely needed updating in four decades. The DW-6900 is its more expressive sibling, with that distinctive triple-window dial and wider case presence. Pairing both with the same concept gives collectors and casual buyers alike an entry point, whether you’re drawn to the classic restraint of the 5600 or the bolder graphic energy of the 6900.

At $190 each, neither watch is a budget impulse buy, but it’s not a stretch, either. G-Shock has always occupied that interesting middle ground between functional tool watch and cultural artifact, and the Aka-Chochin collection lands squarely in that territory. You’re not just buying a watch that tells time reliably. You’re buying into a very specific idea about where design, heritage, and streetwear culture converge.

Red lanterns were built to be seen at night, to cut through the dark and draw people in. G-Shock’s interpretation of that idea works for the same reason. Bold doesn’t have to mean reckless. Sometimes it just means knowing exactly what you want to say and saying it clearly, wrist and all.

The post G-Shock Just Turned a Japanese Paper Lantern Into Wearable Art first appeared on Yanko Design.

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