Casio WS-2100H-1A2V

• Case / bezel material: Resin
• Resin Band
• Resin Glass
• 100-meter water resistance
• LED light
• Selectable illumination duration (1.5 seconds or 3 seconds), afterglow
• Step count using a 3-axis acceleration sensor: 0 to 999,999 step count display range
• Step Count History Display: Daily data (8 days)
• Step Goal Progress Display (step count goal setting range: 1,000 to 50,000, 1,000-step increments)
• Step Count Graph: Hourly step count for the past 7 hours on a 6-level graph
• Step indicator
• Power Saving: Auto sensor sleep state entry after fixed period of non-activity
• Dual time (Home time swapping)
• 1/100-second stopwatch
• Measuring capacity:
• 00'00''00~59'59''99 (for the first 60 minutes)
• 1:00'00~23:59'59 (after 60 minutes)
• Measuring unit:
• 1/100 second (for the first 60 minutes)
• 1 second (after 60 minutes)
• Measuring modes: Elapsed time, lap/split times, 1st-2nd place times
• Memory capacity: Up to 200 records (measurement start month, date, hour, minute, lap/split times)
• Countdown timer
• Measuring unit: 1 second
• Countdown range: 60 minutes
• Countdown start time setting range: 1 second to 60 minutes (1-second increments and 1-minute increments)
• 5 daily alarms
• Hourly time signal
• Full auto-calendar (to year 2099)
• 12/24-hour format
• Button operation tone on/off
• Regular timekeeping: Hour, minute, second, pm, year, month, date, day
• Accuracy: ±30 seconds per month
• Approx. battery life: 3 years on CR2025
• Size of case : 49.9×48.1×14.6mm