Product Description

The Casio F-91W-3JH is a lightweight and slim digital wristwatch designed for everyday use. Featuring a classic digital LCD display with modern green accent lighting, this model combines simplicity with practical functionality.

It includes essential daily functions such as alarm, stopwatch, and calendar display, making it suitable for work, sports, and casual wear. The resin case and strap ensure durability and comfort for long-term use.

Key Features

• Lightweight and slim digital watch design
• LED backlight with green accent illumination
• Daily alarm and hourly time signal
• 1/100-second stopwatch with split timing
• Automatic calendar function
• 12/24-hour format switching
• Long battery life design (approx. 7 years)
• Comfortable resin strap for daily wear

Product Specifications

📏 Size & Weight

• Case size: 38.2 × 35.2 × 8.5 mm
• Weight: approx. 21 g
• Wrist size fit: 145–200 mm

🧱 Materials

• Case & bezel: Resin
• Strap: Resin band
• Crystal: Resin glass

⚙ Functions

⏱ Stopwatch

• 1/100-second precision
• 60-minute measuring capacity
• Split time function

⏰ Alarm

• Daily alarm
• Hourly time signal

💡 Light

• LED backlight
• Green LED illumination

📅 Calendar

• Full auto calendar

⌚ Accuracy

• ±30 seconds per month

🔋 Power

• Approximate battery life: 7 years

🌐 Other Features

• 12/24-hour format display