The Casio F91WB-8A is a slim, lightweight digital watch with a black resin case, LCD screen, and black bio-based resin strap, combining classic style with environmentally conscious materials. Measuring 38.2 × 35.2 × 8.5mm and weighing 21g, it’s comfortable for everyday wear and fits band sizes from 145 to 200mm.
Powered by a CR2016 battery with approx. 7-year life, it offers 1/100-second stopwatch, daily alarm, hourly time signal, and a green LED light for easy readability. The auto-calendar (February set to 28 days), 12/24-hour format, and water resistance ensure reliable performance. Accurate to ±30 seconds per month, it displays hour, minute, second, pm, date, and day, making it a practical and stylish choice for daily wear.
- Case Size: 38.2 × 35.2 × 8.5mm
- Weight: 21g
- Materials: Resin case and bezel, bio-based resin band, resin glass
- Compatible Band Size: 145–200mm
- Water Resistance: Water resistant
- Power: Approx. 7-year battery life (CR2016)
- Functions: 1/100-second stopwatch, daily alarm, hourly time signal
- Light: Green LED
- Calendar: Auto-calendar (February set to 28 days)
- Other Features: 12/24-hour format
- Accuracy: ±30 seconds per month
- Display: Hour, minute, second, pm, date, day
SKU: 020-01940
The Leon Baker Experience
Over five generations of craftsmanship and reputation are behind every peice of jewellery.
All online orders come wrapped in our black and gold Leon Baker gift boxes or their original casings.
