Introducción
This manual provides essential instructions for the proper use and maintenance of your Fossil Modern Courier Chronograph Watch, Model BQ3378. Please read this guide thoroughly to ensure optimal performance and longevity of your timepiece.

Esta imagen muestra el frente view of the Fossil Modern Courier Chronograph Watch in gold-tone. The watch features a gold dial with Roman numerals and three sub-dials for chronograph functions. The bezel is adorned with crystals, and the watch is fitted with a gold-tone stainless steel bracelet.
Configuración
1. Configuración de la hora
- Saca la corona: Gently pull the crown (center knob on the right side of the watch case) to position 2.
- Ajustar el tiempo: Gire la corona en el sentido de las agujas del reloj o en el sentido contrario para ajustar las manecillas de las horas y los minutos a la hora correcta.
- Presione la corona: Una vez ajustada la hora, vuelva a colocar la corona en la posición 1 para iniciar el reloj.
2. Ajuste de la pulsera
The stainless steel bracelet can be adjusted for a comfortable fit. This typically involves removing or adding links. It is recommended to have this procedure performed by a qualified jeweler or watch technician to prevent damage to the bracelet or clasp.

Esta imagen muestra un perfil lateralfile of the Fossil Modern Courier Chronograph Watch. It highlights the crown for time adjustment and the two pushers used to operate the chronograph functions, all in a matching gold-tone finish.
Funcionamiento del cronógrafo
Your watch features a chronograph function for measuring elapsed time. The chronograph is operated using the two pushers located on the side of the watch case, above and below the crown.
1. Inicio y parada del cronógrafo
- Para comenzar: Press the top pusher (A). The chronograph second hand will begin to move.
- Para detener: Press the top pusher (A) again. The chronograph second hand will stop, indicating the elapsed time.
2. Reinicio del cronógrafo
- Para reiniciar: After stopping the chronograph, press the bottom pusher (B). All chronograph hands will return to their zero positions.
3. Reading the Chronograph Sub-dials
El reloj cuenta con tres subesferas:
- Subesfera izquierda: Chronograph minute counter.
- Subesfera inferior: Chronograph hour counter (or running seconds for main time, depending on specific movement).
- Subesfera derecha: 24-hour indicator (or running seconds for main time, depending on specific movement).
Refer to the specific movement details for precise sub-dial functions if different from standard chronograph layout.
Mantenimiento
1. Limpieza del reloj
- Limpie periódicamente la caja y la pulsera del reloj con un paño suave y seco para eliminar el polvo y la suciedad.
- Para acero inoxidable, un poco damp Se puede usar un paño y luego un paño seco. Evite productos químicos agresivos o materiales abrasivos.
2. Reemplazo de la batería
Your watch is powered by a quartz movement requiring a product-specific battery. When the watch stops running, the battery needs to be replaced. It is highly recommended to have battery replacement performed by an authorized Fossil service center or a professional watchmaker to ensure proper sealing and maintain water resistance.
3. Resistencia al agua
This watch is water resistant to 50 meters (165 feet). This rating makes it suitable for short periods of recreational swimming and showering. It is no Adecuado para buceo, snorkel o deportes acuáticos de alto impacto. Asegúrese siempre de que la corona esté completamente introducida antes de cualquier contacto con el agua.
4. Almacenamiento
When not wearing your watch, store it in a cool, dry place, away from direct sunlight and extreme temperatures. Keep it away from magnetic fields, which can affect the accuracy of the quartz movement.
Solución de problemas
- El reloj no funciona: Compruebe si la corona está completamente insertada. Si el reloj aún no funciona, es posible que sea necesario reemplazar la batería.
- La hora es inexacta: Ensure the crown is fully pushed in. If the time continues to be inaccurate, the watch may require servicing or a battery replacement. Exposure to strong magnetic fields can also affect accuracy.
- Las manecillas del cronógrafo no se reinician a cero: If the chronograph hands do not return to their 12 o'clock position after pressing the reset pusher (B), the watch may need adjustment or servicing.
For issues not resolved by these steps, please contact Fossil customer support or an authorized service center.
Presupuesto
| Característica | Detalle |
|---|---|
| Número de modelo | BQ3378 |
| Diámetro de la caja | 40 milímetros |
| Grosor de la caja | 11 milímetros |
| Ancho de banda | 18 milímetros |
| Movimiento | Cronógrafo de cuarzo |
| Tipo de pantalla | Cosa análoga |
| Material de cristal | Mineral |
| Material de la caja | Acero inoxidable |
| Material de la banda | Acero inoxidable |
| Profundidad de resistencia al agua | Medidores 50 (Pies 165) |
| Tipo de cierre | 2 Pusher Foldover Clasp |
| Batería | 1 batería específica del producto (incluida) |
| Peso del artículo | 0.55 libras (aprox. 8.8 onzas) |
Información de garantía
Your Fossil Modern Courier Chronograph Watch is covered by a manufacturer's warranty. The terms and duration of the warranty may vary by region. Please retain your proof of purchase for warranty claims.
For detailed information regarding your warranty coverage, including specific terms and conditions, please visit the official Fossil websitio o comuníquese directamente con su servicio de atención al cliente.
Soporte y servicio
Should you require assistance with your watch, including repairs, battery replacement, or general inquiries, please contact Fossil customer support.
- Soporte en línea: Visita la página oficial de Fossil website for FAQs, service center locators, and contact information.
- Engraving Service: Fossil offers complimentary engraving at participating U.S. and Canadian full-priced and outlet Fossil stores. This service is not applicable to all accessories.
Always ensure that any servicing or repairs are carried out by authorized Fossil service centers to maintain the integrity of your watch and its warranty.