Introduction
Thank you for choosing the Fossil BQ2665 Sullivan Men's Analog Quartz Watch. This manual provides essential information for the proper setup, operation, maintenance, and troubleshooting of your new timepiece. Please read these instructions carefully to ensure optimal performance and longevity of your watch.
Setup
1. Initial Inspection
Upon unpacking, inspect your watch for any visible damage. Ensure all included components, such as the warranty card and original box, are present. The watch comes with a pre-installed lithium-metal battery.
2. Setting the Time
- Pull out the crown: Gently pull the crown (the small knob on the side of the watch case) outwards to the time-setting position. You may feel a slight click.
- Adjust the time: Rotate the crown clockwise or counter-clockwise until the hour and minute hands indicate the correct time.
- Push in the crown: Once the time is set, push the crown back into its original position against the watch case. This will start the watch movement.

Image: Side view of the Fossil BQ2665 watch, highlighting the crown used for time adjustment.
Operating Instructions
1. Basic Timekeeping
Your Fossil BQ2665 watch features an analog display powered by a precise quartz movement. The hour, minute, and second hands continuously move to indicate the current time. Ensure the crown is fully pushed in for accurate timekeeping.

Image: The Fossil BQ2665 watch worn on a wrist, displaying its blue dial and brown leather strap.
2. Water Resistance (50 Meters)
This watch is water-resistant up to 50 meters (5 ATM). This means it is suitable for short periods of recreational swimming, showering, or washing hands. It is not suitable for diving, snorkeling, or high-impact water sports. Always ensure the crown is fully pushed in before any contact with water. Avoid operating the crown while the watch is wet.
Maintenance
1. Cleaning
- Case and Crystal: Wipe the watch case and dial window (sapphire crystal or mineral glass) with a soft, damp cloth. For stubborn dirt, a mild soap solution can be used, followed by rinsing with clean water and drying thoroughly.
- Leather Strap: Avoid prolonged exposure of the leather strap to water, direct sunlight, or harsh chemicals. Clean with a dry, soft cloth. If it gets wet, allow it to air dry naturally, away from direct heat.
2. Battery Care
The watch is powered by a lithium-metal battery. When the watch stops or the hands move erratically, it indicates that the battery needs replacement. Battery replacement should be performed by a qualified watch technician to maintain water resistance and prevent damage to the movement.
3. Storage
When not in use, store your watch in a cool, dry place, away from direct sunlight, extreme temperatures, and strong magnetic fields. The original box provides excellent protection.

Image: Rear view of the Fossil BQ2665 watch, focusing on the brown leather strap and gold-tone buckle.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Watch not running | Crown not pushed in; depleted battery | Ensure crown is fully pushed in. If still not running, battery may need replacement. |
| Time is inaccurate | Time not set correctly; low battery; exposure to strong magnetic fields | Reset the time. If problem persists, consider battery replacement or demagnetization by a professional. |
| Condensation under crystal | Temperature change; water resistance compromised | If condensation is persistent, seek professional inspection immediately to prevent internal damage. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | BQ2665 |
| Model Name | Sullivan |
| Brand | Fossil |
| Display Type | Analog |
| Movement | Quartz |
| Power Source | Battery (1 Lithium-metal battery included) |
| Case Material | Stainless Steel |
| Case Diameter | 44 Millimeters |
| Case Thickness | 12 Millimeters |
| Dial Window Material Type | Sapphire Crystal or Mineral Glass |
| Dial Color | Blue |
| Strap Material Type | Leather |
| Strap Color | Brown |
| Band Width | 22 Millimeters |
| Clasp Type | Buckle |
| Water Resistance Depth | 50 Meters (5 ATM) |
| Product Dimensions | 10 x 10 x 5 cm; 210 g |
| Included Components | Warranty Card, Box |
Warranty Information
Your Fossil BQ2665 watch is covered by a manufacturer's warranty. Please refer to the warranty card included with your purchase for specific terms, conditions, and duration of coverage. Keep your proof of purchase for warranty claims.
Customer Support
For further assistance, technical support, or service inquiries regarding your Fossil BQ2665 watch, please visit the official Fossil website or contact their customer service department. Contact information can typically be found on the warranty card or the brand's official website.