CASIO F-91WG-9SDF

CASIO CN F-91WG-9SDF

Basic Information

• Case size (L × W × H): 38.2 × 35.2 × 8.5 mm
• Weight: Approx. 21 g
• Case / Bezel material: Resin
• Band: Resin band
• Glass: Resin glass
• Water resistance: Water resistant (basic daily use)

Power

• Battery type: CR2016
• Battery life: Approx. 7 years

Timekeeping Functions

Stopwatch

• 1/100-second stopwatch
• Measuring capacity: 59'59.99"
• Modes:
  • Elapsed time
  • Split time
  • 1st–2nd place times

Alarm

• Daily alarm
• Hourly time signal

Light

• LED light

Calendar & Accuracy

• Auto-calendar (February fixed at 28 days)
• Accuracy: ±30 seconds per month

Time Display

• Hour, minute, second
• PM indicator
• Date, day
• 12/24-hour format

Key Features Summary

• ⌚ Classic F-91W design family
• 🪶 Ultra-lightweight (21 g)
• 🔋 Very long battery life (~7 years)
• 💡 Basic LED light
• ⏱️ Stopwatch + alarm functions
• 🌊 Basic water resistance