Features:-

• Water Resistant
• Daily Alarm
• Countdown Timer
  Measuring unit: 1/10 second
  1/100 second digital stopwatch
  Measuring capacity: 59'59.99"
  Measuring modes: Net time
• Hourly Time Signal
• Auto Calendar
• Accuracy: +/-30 seconds per month
• Battery SR1116W
• Approx. battery life: 2 years