• Shock Resistant
• 200M Water Resistant
• Low Temperature Resistant LCD (-20 C / -4 F)
• Auto EL Backlight with Afterglow
• Flash Alert (flashes with buzzer that sounds for alarms, hourly time signal, countdown timer time-up alarm, countdown timer progress beeper and stopwatch auto-start)
• Tide Graph (tide level

• Shock Resistant
• 200M Water Resistant
• Low Temperature Resistant LCD (-20 C / -4 F)
• Auto EL Backlight with Afterglow
• Flash Alert (flashes with buzzer that sounds for alarms, hourly time signal, countdown timer time-up alarm, countdown timer progress beeper and stopwatch auto-start)
• Tide Graph (tide level for specific date and time)
• Moon Data (moon age of the input data, moon phase graph)
• World Time
• 29 times zones (48 cities), city code display, daylight saving on/off
• 4 Multi-function Alarms and 1 Snooze Alarm
• Hourly Time Signal
• 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, time-up alarm, progress beeper
• 1/100 second stopwatch (ST1)