Introducing the Twin Sensor addition to the PRO TREK lineup. Super Illuminator keeps information readable even in the dark, while one-push button operation for sensor functions and display illumination enable easy operation. 
- Mineral Glass
- Direction Bezel
- Neobrite
- 200-meter water resistance
- Case / bezel material: Resin / Stainless steel
- Resin Band
- LED light (Super Illuminator)
- Auto light switch, selectable illumination duration (1.5 seconds or 3 seconds), afterglow
- Low-temperature resistant (–10°C/14°F)
- Digital compass (NORTH)
- Hand indication of north (20 seconds continuousmeasurement)
- Measures and displays direction as one of 16 points
- Measuring range: 0 to 359°
- Measuring unit: 1°
- Bidirectional calibration
- Magnetic declination correction
- Bearing memory
- Thermometer, Display range: –10 to 60°C (14 to 140°F) Display unit: 0.1°C (0.2°F) *Changeover between Celsius (°C) and Fahrenheit (°F)
- World time: 31 time zones (48 cities + coordinated universal time), city code display, daylight saving on/off
- 1/100-second stopwatch, Measuring capacity: 23:59'59.99'', Measuring modes: Elapsed time, split time, 1st-2nd place times
- Countdown timer
- Measuring unit: 1 second
- Countdown range: 60 minutes
- Countdown start time setting range: 1 minute to 60 minutes (1-minute increments)
- 5 daily alarms (with 1 snooze alarm)
- Hourly time signal
- Full auto-calendar (to year 2099)
- 12/24-hour format
- Button operation tone on/off
- Regular timekeeping, Analog: 3 hands (hour, minute (hand moves every 10 seconds), second) Digital: Hour, minute, second, pm, month, date, day
- Accuracy: ±15 seconds per month
- Approx. battery life: 2 years on SR927W × 2
- Size of case: 56.6 × 53.7 × 15.6 mm
- Total weight: 89 g
- LED:White
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