| | 1/100-second stopwatch |
| | Measuring capacity: 23:59'59.99"
Measuring modes: Elapsed time, lap/split time
GPS: Distance (0 to 999.99km), speed (0 to 40.0 km/h), and pace measurement, target time difference, and distance difference |
| | 12/24-hour format |
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| | Full auto-calendar |
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| | Built-in battery: PD2032 (lithium-ion coin) |
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| | built-in battery continuous operating time: |
| | Continuous GPS Measurement NORMAL: Approximately 2.0 hours
LOW POWER: Approximately 4.3 hours Actual battery operating time depends on operating conditions. |
| | Built-in battery life: |
| | Battery capacity will be at about 70% around 300th charge.(depending on use environment) |
| | Button operation tone on/off |
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| | Charging time: |
| | 3 hours for a full charge (using an AC power source or a 9V alkali battery) |
| | Countdown timer |
| | Measuring unit: 1 second Countdown range: 60 minutes
Countdown start time setting range: 10 seconds to 60 minutes (10 seconds increments) Others: Auto-repeat |
| | Daily alarms |
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| | Electro-luminescent backlight |
| | Auto light switch, afterglow |
| | Guide |
| | Recording of current position up to 100 points) recording by date, time, or name;
setting of one of these recorded points for use in calculating and displaying the direction and distance between the current position and the selected position. |
| | Hourly time signal |
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| | Low battery warning display |
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| | Measurement method: |
| | Continuous or single measurement |
| | Position update cycle: About 1 second (continuous) |
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| | Recall |
| | 50 stopwatch data records (lap/split, distance, avg.pace, distance within lap, and pace within lap) |
| | Reception frequency: 1575.42 MHz |
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| | Reception system: Parallel 12-channel |
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| | Regular timekeeping |
| | Hour, minutes, seconds, am/pm, month, date, day |
| | Satellite acquisition: |
| | Within 2 minutes (within 1 minute in case of a restart within four hours of the initial acquisition) |
| | World time |
| | 30 time zones (141 cities), city name display, daylight saving time on/off |
| | Size of case / total weight |
| | GPR-100E ...... 63.1 x 49.5 x 17.1 mm / 64 g |