Cal. No. W770 Riiiver
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Specifications
Main specifications
!
Specifications and contents are subject to change without prior notice.
| Model | W770 Riiiver | |
|---|---|---|
| Type | Analog solar-powered watch | |
| Timekeeping accuracy (without reception) | Average monthly accuracy: ±15 seconds when worn at normal operating temperatures between +5°C (41°F) and +35°C (95°F) | |
| Operating temperature range | ‒10°C (14°F) - +60°C (140°F) | |
| Display functions | Time: Hours, minutes, seconds, 24-hour Calendar: Date, day of week |
|
| Duration | Fully charged to fully discharged (when power save feature works about 7.5 hours a day): Approximately 9 months (using normally with a smartphone) Approximately 1.5 years (using with no smartphones) When power save functions all the day: About 4 years Power reserve upon insufficient charge warning function: About 10 days |
|
| Battery | Rechargeable cell (lithium button cell), 1pc. |
Conditions of “standard use with a smartphone”
The following conditions are supposed as “Standard use with the smartphone” in this web manual.
| Connection time | 6 hours/day | |
|---|---|---|
| Notification | 10 times/day (0.45-second vibration and 0.35-second sound emission are supposed for a notification.) | |
| Reconnection | Once/day | |
| Alarm | Once/day | |
| Chronograph | 1 hours/day | |
| Power save | 7.5 hours/day |