Oceanaut OC0821
Oceanaut OC0821 Baccara XL Quartz Watch User Manual
Model: OC0821
1. Introduction
This manual provides comprehensive instructions for the proper setup, operation, and maintenance of your Oceanaut OC0821 Baccara XL Quartz Watch. Please read this manual carefully to ensure optimal performance and longevity of your timepiece.

Figure 1: Front view of the Oceanaut OC0821 Baccara XL Quartz Watch, showcasing its stainless steel case, black dial, and chronograph subdials.
2. Initial Setup
2.1 Setting the Time and Date
- Pull out the crown: Gently pull the crown (located on the right side of the watch case) to position 2 for date adjustment, or position 3 for time adjustment.
- Adjust the date: If in position 2, turn the crown clockwise or counter-clockwise to set the desired date.
- Adjust the time: If in position 3, turn the crown to move the hour and minute hands to the correct time. Ensure to account for AM/PM if your watch has a 24-hour indicator or if setting the date.
- Push in the crown: Once the time and date are set, push the crown back into position 1 (normal operating position) to engage the movement.
2.2 Bracelet Adjustment
The stainless steel bracelet length can be adjusted by removing links. This procedure typically requires specialized tools and should be performed by a qualified watch technician or jeweler to prevent damage to the bracelet or watch.

Figure 2: The Oceanaut OC0821 Baccara XL Quartz Watch displayed on a wrist, illustrating its size and fit.
3. Operating the Chronograph
Your Oceanaut OC0821 watch features a chronograph function for measuring elapsed time.
- Start: Press the top pusher (button A) to start the chronograph. The chronograph second hand will begin to move.
- Stop: Press the top pusher (button A) again to stop the chronograph. The elapsed time will be indicated by the chronograph hands.
- Reset: After stopping, press the bottom pusher (button B) to reset the chronograph hands to their zero positions.
4. Care and Maintenance
4.1 Cleaning Your Watch
To maintain the appearance of your watch, wipe the case and bracelet regularly with a soft, dry cloth. For stainless steel, a slightly damp cloth can be used, followed by a dry cloth. Avoid using harsh chemicals or abrasive materials.
4.2 Water Resistance
The Oceanaut OC0821 is water resistant up to 5 ATM (50 meters / 165 feet). 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.
4.3 Battery Replacement
This watch uses 1 Lithium Ion battery. When the watch stops or the second hand begins to jump erratically (indicating a low battery), it is time for a battery replacement. It is recommended to have the battery replaced by a professional watchmaker to ensure proper sealing and maintain water resistance.
5. Troubleshooting
- Watch is not running:
- Ensure the crown is fully pushed into position 1.
- The battery may need replacement. Refer to section 4.3.
- Time or date is incorrect:
- Refer to section 2.1 for instructions on setting the time and date.
- Chronograph hands do not reset to zero:
- This may indicate a need for calibration or service. Consult a professional watch technician.
6. Specifications
| Model Number | OC0821 |
| Brand | Oceanaut |
| Movement | Quartz |
| Case Material | Stainless Steel |
| Bracelet Material | Stainless Steel |
| Dial Color | Black |
| Crystal | Scratch Resistant Mineral |
| Case Diameter | 50mm |
| Water Resistance | 5 ATM (50 meters / 165 feet) |
| Battery Type | 1 Lithium Ion battery |
| Product Dimensions | 4.72 x 4.72 x 4.72 inches |
| Item Weight | 1.1 Pounds |

Figure 3: A visual guide illustrating various watch case sizes, including the 50-54mm range relevant to the Baccara XL model.
7. Warranty and Support
7.1 Warranty Information
Specific warranty details for your Oceanaut OC0821 watch are typically provided with your purchase documentation. Please refer to the warranty card or contact Oceanaut customer service for detailed terms and conditions.
7.2 Customer Support
For further assistance, service, or inquiries regarding your Oceanaut watch, please visit the official Oceanaut website or contact their customer support department. Contact information can usually be found on the manufacturer's website or in your product packaging.
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.