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- Case / bezel material: Resin
- Resin Band
- Resin Glass
- Water Resistant
- LED light
- 1/100-second stopwatch
Measuring capacity: 59'59.99"
Measuring modes: Elapsed time, split time, 1st-2nd place times - Daily alarm
- Hourly time signal
- Auto-calendar (set at 28 days for February)
- 12/24-hour format
- Regular time keeping: Hour, minute, second, pm, date, day
- Accuracy: ±30 seconds per month
- Approx. battery life: 7 years on CR2016
Casio F91 Jelly Series F-91WS-2D
Specifications
- Size of case : 38.2×35.2×8.5mm
- Total weight : 21g
