Cal. No. F990
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Specifications
Main specifications
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Specifications and contents are subject to change without prior notice.
| Model | F990 | |
|---|---|---|
| Type | Analog solar-powered watch | |
| Timekeeping accuracy (without reception) | Average monthly accuracy: ±5 seconds when worn at normal operation 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 Calendar: date, day of week Dual time: hours, minutes Power reserve level: 5 levels Power generation amount: 7 levels |
|
| Duration | When fully charged, the watch runs without additional charging in normal use: In normal use: Approximately 1.5 years When power save functions all the day: Approximately 5 years Power reserve upon insufficient charge warning function: Approximately 5 days |
|
| Battery | Rechargeable cell (lithium button cell), 1pc. |