**Product Specifications:**
**Brand:** CITIZEN
**Features:**
- Signal reception display
- Overcharging prevention
- Low battery warning
- Remaining battery level display
- Time display for 43 cities
- Perpetual calendar
- Date display
- Day of the week display
- Month display
- 24-hour indication
- Main time/world time switching
- Alarm, daylight saving time display
- 0.01-second increments, up to 24-hour timer
- Stopwatch, timer, hand correction
- JIS Class 1 magnetic resistance
- Shock detection
- Eco-Drive energy-saving technology
- LED light
**Eco-Drive Technology:**
- Utilizes artificial and natural light sources for power
- No need for frequent battery changes
- Power reserve of approximately 180 days on full charge
- Longevity of about 3.5 years
**Additional Features:**
- Promaster series
- Power reserve warning function
- Quick start-up time synchronization
- Perfex performance
**Materials:**
- Anti-reflective synthetic sapphire glass
- High water resistance up to 20 bar
**Water Resistance:**
- Suitable for daily activities, swimming, and water sports up to 200 meters
**Dimensions:**
- Case diameter: 46mm
- Case thickness: 15mm
- Lug width: 24mm
- Weight: 187g
**Maintenance Tips:**
- Avoid exposure to extreme temperatures and water
- Regularly replace waterproof gaskets and crowns
**Water Resistance Levels:**
- Suitable for activities such as swimming and diving
**Care Instructions:**
- Adjust the watch crown properly
- Avoid exposure to chemicals and high temperatures
**Accuracy and Performance:**
- Precision within specified tolerances
**Magnetic Resistance:**
- Resistant to magnetic interference
**Timekeeping Accuracy:**
- Within acceptable deviation limits
**Hand Movement Accuracy:**
- Meets industry standards for precision
**Chronograph Functionality:**
- Reliable and accurate timing capabilities
**Durability:**
- Designed for long-lasting performance
**Warranty:** Refer to the official CITIZEN website for warranty information.