Seiko Time Creation Inc.
Seiko Time Creation ST-306 Sports Timer
Manufacturer: Seiko Time Creation Inc.
Model: ST-306
Overview
Counts up or down as desired
ST-306 is available for measurement of both race time and game time.
Tennis display
Game points of tennis can be indicated.
Lap/split time measurement
Besides finish time, lap/split time can be measured and stored in memory.
Auto-repeat function
ST-306 counts up or down the set time repeatedly at fixed intervals,making it available for interval training.
Specification
| Feature | Details |
|---|---|
| Power supply | “AA” size dry battery, 8 pieces |
| Battery life | Approx. 50 hours for alkaline battery (LR6, at 25℃) |
| Approx. 25 hours for manganese battery (R6, at 25℃) | |
| Display | Magnetic rotary bar, 6 digits (yellow) |
| Character height | 200 mm |
| Time accuracy | ±0.04 seconds/hour (5℃～35℃) |
| Overall dimensions | 1,230 (W) x 330 (H) x 150 (D) mm |
| Weight | 12.5 kg |
| Grip switch | Cable: 5 m, ø60 |
| “Start/stop” and “lap/split/reset” buttons | |
| Battery box | “AA” size dry battery, 8 pieces |
| Functions | Countup (stopwatch) mode: Measurement range: 99 hr, 59 min, 59 sec 99 |
| Countdown (timer) mode: Setting range: Up to 99 hr, 59 min, 59 sec | |
| Minimum unit of indication: 1/100 seconds | |
| Operating environment | Indoors/outdoors |
| Devices connectable | ST-306, ST-23, PS105/107/109/110, CT-2000/1000/916, CT-500/400/300, |
| PT-8000/7000/6000, ST-2000/900/800 series, RT-120, WG-300/200, DM-400/200b |
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