Technical Specs:

• Electro-luminescent backlight
• 100 Meter Water Resistant.
• Stainless Steel Band and Back
• Analog and Digistal Combination
• Depth Measurement Mode: Present Depth, submerged time, maximum depth.
  • Submerged Time: measured in 1-second increments.
  • Depth: Measured in 0.1-meter (1-ft.)increments.
  • Reading Frequency: every 3 seconds.
    • Display range: between 0 and 50 meters (0 and 164 ft.)
    • Note that depths between 0 and 1 meter (0 and 4 ft.) are registered as "0.0 M (0 F)".
    • Present/Maximum depths show "FULL" when 50 meters (164 ft.) is exceeded.
• Pressure sensor precision:
  • Depth readings based on specific gravity of sea water 1.025.
  • Accuracy guaranteed when used within suggested operating temperature range of 5 to 35 ⁰C (41 to 95⁰F).
  • Fixed Temperature:
    • (5.5% of displayed value +0.6m) to +(6.5% of displayed value +0.6m).
    • (5.5% of displayed value +2ft.) to +(6.5% of displayed value +2 ft.)
  • Effect of Variable Temperature:
    • ±1.1 m every 10⁰C
    • ±4 ft. every 18⁰F
• Timekeeping Mode: Hour, minutes, seconds, am, pm, month, date, day, day of the week.
  • Time system: Switchable between 12-hour and 24-hour formats.
  • Calendar system: Auto-calendar pre-programmed from the year of 1990 to 2029.
  • Analog: 3 hands (hour, minutes, seconds).
• Accuracy at normal temperature: ±15 seconds a month.
• Stopwatch mode:
  • Measuring capacity: 23 hours 59 minutes 59.99 seconds.
  • Measuring unit: 1/100 of a second.
  • Measuring mode: Elapsed time, split time, two finishes.
• Alarm Mode: Daily alarm, Hourly Time Signal
  • Others: Selectable alarm sounds (2 types).
• Watch Function Battery: Two silver oxide batteries (Type: SR927W)
• Light Batter: One lithium Battery (Type: CR1216).