Specifications

• Size of case : 40.6×38×12.2mm
• Case / bezel material: Resin
• Resin Band
• Resin Glass
• 100-meter water resistance
• LED light
  Selectable illumination duration (1.5 seconds or 3 seconds), afterglow
• Moon data (moon age of the specific date, moon phase graph)
• Tide graph (tide level for specific date and time)
• Dual time
• 1/100-second stopwatch
  Measuring capacity: 23:59'59.99"
  Measuring modes: Elapsed time, split time, 1st-2nd place times
• Countdown timer
  Measuring unit: 1 second
  Countdown range: 24 hours
  Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
  Other: Auto-repeat
• Multi-function alarms
  3 independent multi-function alarms (2 one-time alarms and 1 snooze/one-time alarm)
  Alarm type: Daily alarm, date alarm, 1-month alarm, monthly alarm
• Hourly time signal
• Full auto-calendar (to year 2099)
• 12/24-hour format
• Button operation tone on/off
• Regular timekeeping: Hour, minute, second, pm, month, date, day
• Accuracy: ±30 seconds per month
• Approx. battery life: 5 years on CR1620