Casio F-B100W: the retro digital watch with 2 years of battery and Bluetooth

The Casio F-B100W combines the classic 80s design with current technology to offer up to two years of autonomy with a conventional battery. This new version maintains the retro essence while adding modern features like fitness tracking and Bluetooth connectivity.

Casio aims to update one of its most emblematic models, the F-91W, by introducing the F-B100W, a watch that looks like it came from the 80s and 90s but hides surprising technology inside a lightweight and durable case.

Main Features of the Casio F-B100W

What new functions does this model have?

The F-B100W includes an accelerometer that counts daily steps and displays activity graphs by hour. It allows setting goals between 1,000 and 50,000 steps and alerts you when you have been inactive for too long. It also includes a stopwatch capable of storing up to 200 lap times with date and time.

How does Bluetooth connectivity improve the experience?

Thanks to Bluetooth, the watch syncs with the Casio Watches app, which automatically adjusts the time and saves the activity history. In addition, it allows setting alarms, accessing world time for 300 cities, and finding the phone from the watch.

Design and Available Versions

What does the Casio F-B100W look like?

The watch measures 41.9 x 38.1 x 8.8 mm and weighs only 26 grams. The strap combines biomass plastic with slots for better ventilation, providing comfort in daily use.

What Design options are there?

There are three versions: the F-B100W-1A with a black case and retro details in blue, red, and yellow; the F-B100W-1B all black with LCD screen and gray texts; and the F-B100W-3A in discreet green with turquoise touches.

Price, Autonomy, and Availability

Where and at what Price can it be bought?

In Japan, it can already be reserved for 8,800 yen (about 55 euros). The official launch will be in August 2026, and the first stock sold out quickly. There is no confirmed date for its arrival in Europe or Spain.

What Autonomy does the battery offer?

The watch uses a conventional battery that provides approximately two years of autonomy, a very high figure for a device with Bluetooth and step counter.