• Band Type:  Resin
• Dial Code:  Digital

• Multi-Band Atomic Timekeeping (US, UK, Germany, Japan)
  Receives time calibration radio signals which keep the displayed time accurate
  Auto receive function (6 times per day)
  Manual receive function
  Signal:  US WWVB, UK MSF, Germany DCF77, Japan JJY40/JJY60
  Frequency:  US 60kHz, UK 60kHz, Germany 77.5kHz, Japan 40/60kHz
• Tough Solar Power
• Digital Compass
  16 points of measurement
  Measuring range: 0 to 359 degrees
  Measuring unit: 1 degree
• Barometer
  Display range: 600 to 1,100 hPa (17.70 to 32.45 inHg)
  Display unit: 1 hPa (0.05 inHg)
  Atmospheric pressure tendency graph
  Atmospheric pressure differential graphic
• Depth Gauge
  Measuring range: 0 to 30 m (0 to 98 ft)
  Elapsed time: 2:59'59"
  Water temperature: -10 to 60 C (14 to 140 F)
  Display unit: 0.1 m (1 ft)
  Submerged time: measured in 1-second increments
• Dive Memory (40 Records)
  Measurement includes dive month and date, total time submerged, maximum depth, water temperature at maximum depth
• Thermometer
  Display range: -10 to 60 C (14 to 140 F)
  Display unit: 0.1 C (0.2 F)
• 100M Water Resistant
• Low Temperature Resistant (-10 C / 14 F)
• Full Auto EL Backlight with Afterglow
• Duplex LCD
• World Time
  29 times zones (30 cities), city code display, daylight saving on/off
• 5 Daily Alarms
• Countdown Timer
  Measuring unit: 1 second
  Countdown range: 1 minute to 60 minutes
  Auto-repeat function
• 1/100 second stopwatch
  Measuring capacity: 9:59'59.99"
  Measuring modes: Elapsed time, split time, 1st-2nd place times
• Hourly Time Signal
• Auto Calendar (pre-programmed until the year 2099)
• 12/24 Hour Formats
• Accuracy: ±15 seconds per month (with no signal calibration)
• Storage Battery CTL1616
• Battery Power Indicator
• Power Saving Function
• Approx. battery life: 5 months on full charge (without further exposure to light)
• Module 3047

Size of case/total weight
SPW1000 64.0 x 48.9 x 14.4mm / 83g