Casio AMW-870D-1AV Specifications:

• Body / Ring Material: Stainless Steel
• Resin bracelet
• Mineral glass
• Water resistant to 50 m
• Phosphorescence LED light
• Telephone memory Memory
  capacity: up to 30 groups of data, with 8-character name and 16-digit telephone
  Others: remaining memory screen, automatic sorting
• World
  time 29 time zones (30 cities), daylight saving time
• 1/100-second stopwatch
  Measuring capacity: 23: 59’59.99 ”
  Measuring modes: elapsed time, split time, 1st and 2nd place times
• Timers
  Unit of measurement: 1 second
  Counting range: 24 hours
  Initial setting of the counting range: 1 minute to 24 hours (increments of 1 minute and 1 hour)
  3 daily alarms (1 alarm with snooze function)
• Hourly signage
  Full automatic calendar (until the year 2099)
  12/24 hour formats
• Regular
  timekeeping Analog: 2 hands (hour, minute – hands move every 20 seconds)
  Digital: hour, minute, second, am / pm, month, date, day
• Accuracy: ± 30 seconds per month
• Duration approx. battery life: 10 years on CR2025
• Box size: 51.5 × 44 × 12.2mm
• Total weight: 167g