1. Pengenalan
The Citizen Eco-Drive Promaster Land Altichron (Model: BN5058-07E) is a robust and innovative timepiece designed for adventurers. Featuring Citizen's Eco-Drive technology, it is powered by any light source, eliminating the need for battery replacement. This watch includes an altimeter, compass, and date function, making it an essential tool for outdoor enthusiasts.
This manual provides detailed instructions for setting up, operating, and maintaining your watch to ensure optimal performance and longevity.
2. Ciri-ciri Utama
- Teknologi Eco-Drive: Powered by any light source, ensuring continuous operation without battery changes.
- Altimeter: Measures altitude from -1,000 feet to 32,000 feet.
- Kompas Elektronik: Memberikan panduan arah.
- Paparan Tarikh: Convenient date window.
- Luminous Hands and Markers: Penglihatan yang dipertingkatkan dalam keadaan cahaya malap.
- Petunjuk Rizab Kuasa: Displays the remaining charge level.
- Anti-Reflective Mineral Crystal: Improves readability by reducing glare.
- Tahan Air: Rated for 200 meters (660 feet), suitable for professional marine activity and serious surface water sports, but not scuba diving.
- Sarung Keluli Tahan Karat: Durable and stylish black ion-plated stainless steel case.
- Polyurethane Strap: Comfortable and bold black polyurethane strap.

Figure 1: Watch dial highlighting Altimeter, Electronic Compass, Luminous Hands and Markers, Power Reserve Indicator, Date, and Anti-Reflective Crystal.
3. Persediaan
3.1 Pengecasan Awal
Your Eco-Drive watch is powered by light. Before initial use, or if the watch has stopped, expose it to bright light for several hours to ensure it is fully charged. The power reserve indicator will show the current charge level.
Video 1: Official Citizen Eco-Drive Video explaining the technology. This video demonstrates how the Eco-Drive system converts light into energy to power the watch.
3.2 Menetapkan Masa dan Tarikh
Refer to the detailed instructions in the full user manual for precise time and date setting procedures, as these multi-function watches often require specific crown and button sequences.
4. Mengendalikan Jam Tangan Anda
4.1 Penjagaan masa
The watch maintains accurate time with a precision of +/-15 seconds per month. The main hands display the current time, and the date is shown in the date window.
4.2 Altimeter Function
The altimeter measures altitude from -1,000 feet to 32,000 feet. It features an altimeter adjusting function of +/-300 (per 2.5 units). To activate and use the altimeter, consult the detailed instructions in the comprehensive user manual for specific button operations and calibration.
4.3 Electronic Compass
The electronic compass function provides directional readings. For accurate readings and calibration procedures, refer to the full user manual.
Video 2: Official Citizen Altichron video showcasing the watch's features, including the altimeter and compass functions in action.
4.4 Power Reserve Indicator
The power reserve indicator helps you monitor the watch's charge level. Ensure the watch is regularly exposed to light to maintain an adequate power reserve.
5. Penyelenggaraan dan Penjagaan
5.1 Pembersihan
Wipe the watch case and strap regularly with a soft, dry cloth to remove dirt and perspiration. For the polyurethane strap, a mild soap solution and water can be used, followed by thorough rinsing and drying.
5.2 Tahan Air
The watch is water resistant to 200 meters. Ensure the crown is fully pushed in before exposing the watch to water. Avoid operating the crown or buttons while the watch is wet or submerged to prevent water intrusion.
5.3 Pendedahan Cahaya
To maintain optimal performance of the Eco-Drive movement, regularly expose your watch to light. Avoid prolonged storage in dark places.

Rajah 2: Sisi view of the watch, showing the crown and case profile. The crown must be fully pushed in for water resistance.
6. Penyelesaian masalah
- Watch has stopped or is running irregularly: The watch may not be sufficiently charged. Expose it to bright light for several hours.
- Masa atau tarikh tidak betul: Refer to the detailed setting instructions in the full user manual to reset the time and date.
- Altimeter or compass readings are inaccurate: These functions may require calibration. Follow the calibration steps outlined in the comprehensive user manual.
- Pemeluwapan di dalam kristal: This may indicate a loss of water resistance. Contact Citizen customer service for inspection and repair.
7. Spesifikasi
| Ciri | Perincian |
|---|---|
| Nombor Model | BN5058-07E |
| Pergerakan | Eco-Drive (Solar Powered Quartz) Caliber J290 |
| Bahan Kes | Black Ion-Plated Stainless Steel |
| Diameter Kes | 4.72 inci (lebih kurang 46mm) |
| Kristal | Anti-Reflective Mineral Crystal |
| Bahan Tali | Black Polyurethane |
| Tahan Air | 200 Meter (660 kaki) |
| Altimeter Range | 1,000ft - 32,000ft |
| Ketepatan | +/-15 saat sebulan |
| Ciri Khas | Electronic Compass, Power Reserve Indicator, Date |
8. Waranti dan Sokongan
This Citizen watch comes with a 5-Year Limited Warranty. For detailed warranty terms, service, or support, please refer to the official Citizen weblaman web atau hubungi khidmat pelanggan mereka secara langsung. Pelan perlindungan lanjutan juga mungkin tersedia untuk pembelian.
Untuk maklumat atau bantuan tambahan, sila layari Citizen Store on Amazon.





