CASIO F-B100W-1B

The Casio F-B100W-1B is a modern, stealth-style digital watch that blends the iconic 1980s retro look of the classic F-91W with smart health-tracking features. This specific variant features an all-black colorway with a negative LCD display (light text on a dark background) and gray dial accents

• Case Size: 41.9 × 38.1 × 8.8 mm (Slim, low-profile fit).
• Weight: 26 grams (Extremely lightweight and comfortable).
• Material: Resin case with a bio-based resin band that includes airflow slits to reduce sweat during activities.
• Battery Life: About 2 years on a standard CR2016 coin cell battery.
• Water Resistance: Rated as standard Water Resistant (suitable for everyday splashes or light rain, but not swimming)
  Smart & Fitness Features
  • Step Tracker: Uses a built-in three-axis accelerometer to automatically count your daily steps. The watch shows your step total, target progress, and an hourly step graph on the screen. It also includes an inactivity alert that beeps if you sit for too long. 
  • Bluetooth Mobile Link: Pairs with the Casio Watches App to auto-sync the time four times a day, easily configure watch settings, map paths via the “Time & Place” log, and sync fitness data to your phone. 
  • Upgraded Backlight: Unlike the weak green micro-light of old retro models, this has a bright amber LED backlight that clearly lights up the whole screen. 

  Core Watch Functions
  • Stopwatch: 1/100-second precision with a huge 200-lap memory for tracking workouts.

  • Countdown Timer: Fully adjustable up to 60 minutes—a useful tool missing from older basic Casios.
  • Alarms & Time: Offers 5 daily alarms, an hourly time signal, and Dual Time (switchable between home and a second city