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| Casio’s new Bluetooth-equipped F-B100W watches are finally up for grabs. |
The wait is over for Casio fans in the UK – the highly anticipated F-B100W series, which merges the iconic retro aesthetic of the legendary F-91W with modern Bluetooth connectivity and step-tracking capabilities, has officially arrived.
Casio UK has begun selling both the teal F-B100W-3A and the black F-B100W-1A directly through its website, priced at an accessible £55 each. The announcement comes after weeks of speculation, with the watches previously listed as "coming soon" on the brand's official UK store.
However, fans of the negative display variant – the F-B100W-1B – will need to exercise a little more patience. Casio has yet to confirm when this third model will join its siblings on the market.
A Classic Reimagined
At first glance, the F-B100W retains everything enthusiasts love about the original F-91W. The compact resin case measures a wearable 41.9 x 38.1 x 8.8mm and weighs just 26 grams, ensuring it remains as comfortable and unobtrusive as its predecessor. It also keeps the practical features that made the F-91W a global favourite: a green LED backlight, stopwatch, 60-minute countdown timer, five daily alarms, and reliable water resistance.
But beneath that familiar face lies a suite of genuinely modern upgrades. The standout addition is a built-in motion sensor that transforms this retro digital watch into a capable fitness companion. It tracks up to 999,999 steps and displays your progress toward a customizable daily goal (between 1,000 and 50,000 steps) on a clear 6-level graph. There's even a thoughtful step reminder feature that gently alerts you when you've been inactive for too long – a subtle nudge to keep moving throughout the day.
Bluetooth Connectivity: The Smart Upgrade
The real game-changer, however, is Bluetooth connectivity. By pairing the F-B100W with Casio's companion WATCHES app, users unlock a host of convenient functions:
- Automatic time adjustment – the watch syncs with your phone to ensure perfect accuracy
- Access to approximately 300 world time cities
- Life-log data tracking for a comprehensive overview of your daily activity
- Simplified watch settings directly from your smartphone
- A handy phone-finder feature to locate your misplaced device
Despite these modern capabilities, the F-B100W avoids the pitfalls of a full-blown smartwatch. There's no need for nightly charging – Casio rates the battery life at an impressive two years from a single CR2016 battery, staying true to the brand's reputation for long-lasting reliability.
UK-Exclusive Launch (For Now)
Currently, the F-B100W-1A and F-B100W-3A are exclusively available in the UK. This has left international fans – particularly in the US – eagerly awaiting news of a wider global rollout. Casio has yet to announce any plans for release in other markets, but given the F-91W's worldwide popularity, it seems a matter of when, not if.
You can view the official product pages here:
The Verdict: A Nostalgic Upgrade Worth the Wait
For £55, the F-B100W represents exceptional value. It successfully bridges the gap between nostalgic design and contemporary functionality, appealing to both long-time Casio collectors and newcomers seeking an affordable, feature-packed everyday watch. The addition of step tracking and smartphone connectivity breathes new life into a classic silhouette, offering a compelling alternative to bulkier fitness trackers.
If you're in the UK, now is the time to act – these new models are available to purchase directly from Casio UK. For the rest of the world, we'll be watching closely for any updates on a wider release.
FAQs
What's the difference between the F-B100W-1A and F-B100W-3A?
The only difference is the colour – the F-B100W-1A comes in a classic black finish, while the F-B100W-3A features a stylish teal/blue-green colourway.
Is the F-B100W a smartwatch?
Not quite – it's best described as a hybrid. It offers Bluetooth connectivity and step tracking but retains a long battery life and a simple digital display. It doesn't have notifications, GPS, or a touchscreen.
Does the F-B100W work with iPhones and Android devices?
Yes, the Casio WATCHES app is available for both iOS and Android, allowing seamless pairing with most modern smartphones.
Where can I buy the F-B100W outside the UK?
Currently, the watches are only available through Casio UK. International availability has not been confirmed yet.
What's the battery life like?
Approximately two years from a single CR2016 battery, even with Bluetooth connectivity enabled.
Key Specifications at a Glance
| Feature | Detail |
|---|---|
| Case Size | 41.9 × 38.1 × 8.8mm |
| Weight | 26g |
| Case/Bezel Material | Resin |
| Band | Bio-based resin |
| Glass | Resin glass |
| Water Resistance | Yes |
| Movement | Quartz |
| Accuracy | ±15 seconds/month (without Bluetooth) |
| Battery | CR2016 (approx. 2 years) |
| Connectivity | Bluetooth |
| App | Casio WATCHES |
| Step Counter | 0–999,999 steps |
| Step Goal | 1,000–50,000 steps |
| Activity Tracking | 7-hour hourly step graph |
| Step Reminder | Display and beep alert |
| Stopwatch | 1/100-second, up to 24 hours |
| Countdown Timer | 60 minutes |
| Alarms | 5 daily alarms |
| Backlight | Green LED (1.5 or 3 seconds) |
| Calendar | Auto-calendar through 2099 |
| World Time | ~300 cities |
| Other Features | Dual time, phone finder, power saving, low-battery warning, 12/24-hour format |
| Compatible Wrist Size | 145–215mm |
| Price | £55 |
| Colors Available | Black (F-B100W-1A) and Teal (F-B100W-3A) |
