This operation guide explains how to use and maintain the Casio 4330 1MO0602‑EA solar‑powered watch, covering timekeeping, world time, alarm, stopwatch…
The Casio 4330 1MO0602‑EA is a solar‑powered watch that stores energy in a built‑in rechargeable battery. Keeping the watch exposed to bright light ensures reliable operation and prevents the battery from running down. The guide walks you through basic handling, power‑supply information and how to keep the watch charged.
The manual details all functional modes: Timekeeping, World Time, Alarm, Stopwatch, and the radio‑controlled atomic timekeeping feature. It also explains auto and manual signal reception, troubleshooting steps, and how to adjust home positions for accurate time display.
| Power source | Solar cell converting light to electrical power |
|---|---|
| Battery type | Rechargeable battery |
| Stopwatch display range | 23 h 59 min 59.95 s |
| Signal frequency | 60.0 kHz (US), 40.0 kHz (Japan), 60.0 kHz (Japan) |
| US signal reception range | 2,000 mi (3,000 km) |
| Japan signal reception range | 500 km |
Expose the watch to bright light as much as possible; position the face toward a light source and avoid covering the solar cell.
Place the watch with the 12 o’clock side facing a window, hold down button A for about two seconds, then follow the READY/WORK/Y/N indications.
The stopwatch can measure up to 23 hours, 59 minutes, 59.95 seconds.