Introduction
This document serves as the comprehensive instruction manual for the Citizen H990 Eco-Drive Satellite Wave watch. It guides users through the initial setup, operation of various functions, essential maintenance, and troubleshooting steps to ensure optimal performance and longevity of the timepiece.
Key Features and Operations
- Eco-Drive Technology: Powered by light, eliminating the need for battery replacement.
- Satellite Time Signal Reception: Automatically receives time signals from satellites for highly accurate timekeeping worldwide.
- World Time Function: Allows users to select and display time for various cities globally.
- Summer Time Adjustment: Supports manual adjustment for Summer Time or standard time settings.
- Power Reserve: Indicates the watch's charge level and includes an insufficient charge warning.
- Component Identification: Details all parts of the watch for user understanding.
Important Information
- Safety Precautions: Outlines potential hazards and necessary precautions for safe usage.
- Recharging: Instructions on how to charge the watch using light sources and important charging considerations.
- Water Resistance: Guidelines on the watch's water resistance capabilities and appropriate usage scenarios.
- Maintenance: Recommendations for daily care and periodic inspections to maintain the watch's performance and water resistance.
- Troubleshooting: Solutions for common issues encountered with the watch.
Specifications
The Citizen H990 is an analog solar-powered watch with an accuracy of ±15 seconds per month (without signal reception). It operates within a temperature range of -10°C to +60°C and charges between 0°C and +40°C. The maximum run time from a full charge is approximately 2.5 years.
For detailed specifications and further assistance, refer to the official Citizen Watch website.
