1. Bukatu daview
The Citizen Eco-Drive Brycen Chronograph Watch (Model: BL5403-03X) is a sophisticated timepiece featuring Eco-Drive technology, which powers the watch using any light source, eliminating the need for battery replacement. This watch includes a 1/20 second chronograph, perpetual calendar, dual time display, 12/24 hour time, alarm, and a rotating inner ring. It is designed with a 48mm rose gold-tone stainless steel case, a brown leather strap with white contrast stitching, and is water-resistant to 100 meters.

1. irudia: Aurrealdea view of the Citizen Eco-Drive Brycen Chronograph Watch BL5403-03X.
Ezaugarri nagusiak:
- Eco-Drive Technology: Powered by light, never requires a battery.
- Kronografoa: 1/20 second chronograph measures up to 60 minutes.
- Betiko Egutegia: Automatically adjusts for month length and leap years.
- Denbora bikoitza: Displays a second time zone.
- Alarma: Integrated alarm function.
- Rotating Inner Ring: For various calculations or time tracking.
- Uraren erresistentzia: Gehienez 100 metro (330 oin).
- Esku eta markatzaile argitsuak: For visibility in low light conditions.
2. Konfigurazioa eta hasierako doikuntza
Upon receiving your watch, it may be in a low power state. Expose the watch to a bright light source for several hours to ensure it is fully charged before attempting to set the time or functions.
2.1 Charging the Watch (Eco-Drive)
The Eco-Drive movement converts light into electrical energy, which is stored in a power cell. For optimal performance, ensure the watch is regularly exposed to light.
- Place the watch where the dial is exposed to direct light (natural or artificial).
- Avoid placing the watch in direct sunlight for extended periods in hot environments to prevent overheating.
- A full charge can take several hours depending on the light intensity.
Video 1: Official Citizen Eco-Drive video explaining how the light-powered technology works.
2.2 Ordua eta data ezartzea
The BL5403-03X features a perpetual calendar, which requires initial setup to ensure correct date display. Refer to the detailed diagram of the watch dial for component identification.

Figure 2: Watch dial with key features labeled.
- Tira koroa: Gently pull the crown out to the time setting position (usually the second click).
- Ezarri ordua: Rotate the crown to set the hour and minute hands. Ensure AM/PM is correctly set for the 12/24 hour display.
- Set Date/Perpetual Calendar: The perpetual calendar requires specific steps, often involving pushing buttons in a sequence while the crown is in a certain position. Consult the full manual for precise instructions on setting the perpetual calendar, as this varies by movement.
- Bultzatu Koroa: Once time and date are set, push the crown back into the normal position.
3. Funtzio eragileak
3.1 Chronograph Operation
The 1/20 second chronograph measures elapsed time up to 60 minutes.
- Hasi: Press the upper pusher button to start the chronograph.
- Gelditu: Press the upper pusher button again to stop the chronograph.
- Berrezarri: Press the lower pusher button to reset the chronograph hands to zero.
3.2 Dual Time Function
The dual time function allows you to track a second time zone simultaneously.
- Specific buttons or crown positions are used to adjust the dual time sub-dial. Refer to the full instruction manual for your specific model's procedure.
3.3 Alarma ezarpena
The watch includes an alarm function.
- The alarm is typically set using a combination of the crown and pusher buttons to move the alarm hand to the desired time.
- Ensure the alarm is activated/deactivated as needed.
3.4 Rotating Inner Ring (Pilot's Slide Rule)
The rotating inner ring can be used for various calculations, such as multiplication, division, and fuel consumption, similar to a pilot's slide rule.
- Rotate the crown (often at the 8 o'clock position) to move the inner ring.
- Align the desired scales for calculations. Detailed instructions for using the slide rule are typically found in the comprehensive manual.
4. Eco-Drive Technology and Care
Citizen Eco-Drive watches are powered by light and do not require conventional battery replacement. This technology converts both natural and artificial light into energy, which is stored in a permanently rechargeable power cell.
Video 2: Citizen's "How It Works" video demonstrating the Eco-Drive technology.
4.1 Energia Erreserba
Once fully charged, your Eco-Drive watch can run for several months in complete darkness. If the watch is stored in darkness for an extended period, it may enter a power-saving mode (hands stop moving) to conserve energy. Exposing it to light will reactivate it.
4.2 Kargatzeko jarraibideak
- Daily Exposure: Wear your watch regularly or place it near a light source to maintain charge.
- Saihestu muturreko beroa: Do not place the watch directly under intense sunlight for prolonged periods, especially in hot environments, as this can damage the movement.
- Artificial Light: Fluoreszentea lamps and other artificial light sources can also charge the watch, though it may take longer than natural sunlight.
5. Mantentzea eta Zainketa
5.1 Urarekiko erresistentzia (100M)
Your watch is water-resistant to 100 meters (330 feet), making it suitable for swimming, showering, and snorkeling. It is not recommended for scuba diving.
- Always ensure the crown is pushed in completely before exposing the watch to water.
- Ez erabili koroa edo bultzatzaileak erlojua bustita edo uretan murgilduta dagoenean.
- Ur gazian egon ondoren, garbitu erlojua ur gezarekin eta lehortu ondo.
5.2 Garbiketa
Zure erlojuaren itxura mantentzeko:
- Wipe the case and crystal with a soft, dry cloth.
- For the leather strap, avoid prolonged exposure to water, direct sunlight, and harsh chemicals. Clean with a damp cloth and mild soap if necessary, then allow to air dry.

3. irudia: Aldea view erlojuarena.
6. Arazoak
Zure erlojuak espero bezala funtzionatzen ez badu, kontuan hartu ohiko arazo hauek:
- Ikusi korrika ez egitea: The most common cause is insufficient charge. Expose the watch to bright light for several hours (e.g., 1-2 days in sunlight or 3-5 days under a fluorescent lamp) to fully charge it.
- Hands Not Moving Correctly: After charging, if the hands are still not moving or are incorrect, perform a full reset and time setting procedure as outlined in the comprehensive manual.
- Data okerra: Ensure the perpetual calendar has been set correctly. This often requires a specific sequence of crown and pusher operations.
- Barruko urari buruzko zaintza: If moisture appears inside the watch, immediately take it to an authorized service center.
For complex issues or repairs, contact Citizen customer support or an authorized service center.
7. Zehaztapenak
| Ezaugarri | Xehetasuna |
|---|---|
| Modelo zenbakia | BL5403-03X |
| Mugimendua | Eco-Drive (Caliber E820) |
| Kasu Materiala | Arrosa Urre Koloreko Altzairu Herdoilgaitza |
| Kasuaren Diametroa | 48 milimetro |
| Kasuen lodiera | 12 milimetro |
| Banda Materiala | Brown Leather (Croc Embossed) |
| Bandaren Tamaina | 7.5 hazbetekoa |
| Bandaren Zabalera | 23 milimetro |
| Markaketaren leihoaren materiala | Kristal minerala |
| Urarekiko erresistentzia sakonera | 100 metro (330 oin) |
| Ezaugarri bereziak | Chronograph, Perpetual Calendar, Dual Time, 12/24 Hour Time, Alarm, Luminous Hands/Markers, Rotating Inner Ring |
| Elementuaren pisua | 7.05 ontza |
8. Bermea eta Laguntza
Your Citizen Eco-Drive Brycen Chronograph Watch BL5403-03X comes with a 5 urteko berme mugatuaBerme honek erabilera normalaren pean fabrikazio akatsak estaltzen ditu.
- Bermearen edo zerbitzuaren erreklamazioetarako, gorde erosketaren egiaztagiria.
- Contact Citizen customer support for detailed warranty terms and conditions, or to locate an authorized service center.
For further assistance or to download the complete instruction manual specific to the Caliber E820 movement, visit the official Citizen Watch webgunea.

Figure 4: Citizen watch packaging.





