1. Overview
The TAG Heuer Formula 1 WAU111A.BA0858 is a robust and stylish men's quartz watch designed for precision and durability. This timepiece features a black analog dial, a grande date display, and an alarm function, making it suitable for both daily wear and active lifestyles. Its stainless steel construction and water resistance up to 200 meters ensure reliability in various conditions.
Key Features:
- Stainless steel case and bracelet with a deployment clasp.
- Fixed stainless steel bezel with a diving scale.
- Black dial with luminous silver-tone hands and stick hour markers, and an Arabic numeral at 12 o'clock.
- Grande date display at the 6 o'clock position.
- Swiss quartz movement for accurate timekeeping.
- Scratch-resistant sapphire crystal.
- Water resistance up to 200 meters (660 feet), suitable for professional marine activity and serious surface water sports.
- Functions include hour, minute, second, date, and alarm.

Image 1.1: The TAG Heuer Formula 1 WAU111A.BA0858 watch displayed on a wrist, showcasing its size and fit.
2. Components
Familiarize yourself with the main components of your TAG Heuer Formula 1 watch:
- Crown: Located on the right side of the case, used for setting time, date, and winding (if automatic, though this is quartz). This model features a screw-down crown for enhanced water resistance.
- Pushers: (If applicable for chronograph/alarm functions) Buttons adjacent to the crown for operating specific functions.
- Bezel: The outer ring of the watch face, fixed with a diving scale.
- Dial: The watch face, featuring hour markers, hands, and subdials.
- Hands: Hour, minute, and second hands, all luminescent for visibility in low light.
- Date Window: Displays the current date at the 6 o'clock position.
- Bracelet: Stainless steel band with a fold-over clasp with safety closure.
- Sapphire Crystal: The clear cover over the dial, highly scratch-resistant.

Image 2.1: Front view of the TAG Heuer Formula 1 WAU111A.BA0858 watch, highlighting the dial, hands, and bezel.
3. Setup
Before using your watch, ensure it is properly set.
3.1 Setting the Time
- Unscrew the crown counter-clockwise and pull it out to the second position.
- Turn the crown clockwise or counter-clockwise to adjust the hour and minute hands to the correct time.
- Push the crown back in and screw it down clockwise firmly to ensure water resistance.
3.2 Setting the Date
- Unscrew the crown counter-clockwise and pull it out to the first position.
- Turn the crown to adjust the date. If the date changes during the day, advance it by 12 hours.
- Push the crown back in and screw it down clockwise firmly to ensure water resistance.
3.3 Setting the Alarm
Specific instructions for setting the alarm may vary slightly. Refer to the detailed diagram in the full manual if available. Generally:
- Locate the alarm setting pusher or crown position.
- Adjust the alarm hand (often a smaller hand or a dedicated subdial) to the desired alarm time.
- Activate the alarm function using the designated pusher or by pushing the crown back in.
3.4 Bracelet Adjustment
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 professional jeweler or an authorized TAG Heuer service center to prevent damage to the bracelet or clasp.
4. Operating Instructions
4.1 Water Resistance Guidelines
Your TAG Heuer Formula 1 watch is water resistant to 200 meters (660 feet). This rating makes it suitable for professional marine activity and serious surface water sports. It is not suitable for scuba diving. Always ensure the crown is fully screwed down before exposing the watch to water.
- 200m (660ft): Suitable for swimming, snorkeling, and recreational diving. Not for deep-sea diving.
- Avoid operating the crown or pushers while the watch is submerged in water.
- Rinse the watch with fresh water after exposure to salt water or chlorine.
4.2 Using the Chronograph (Stopwatch)
The watch features chronograph functionality, indicated by two subdials. The specific operation depends on the movement, but typically involves:
- Start: Press the upper pusher to start the chronograph. The central second hand will begin to move.
- Stop: Press the upper pusher again to stop the chronograph. The elapsed time will be indicated by the central second hand and the subdial hands.
- Reset: Press the lower pusher to reset the chronograph to zero. The central second hand and subdial hands will return to their starting positions.
Video 4.1: A brief demonstration of the TAG Heuer Formula 1 watch, showcasing its design and features.
5. Maintenance
Proper care will ensure the longevity and performance of your TAG Heuer watch.
5.1 Cleaning
- Clean the watch regularly with a soft, damp cloth. For the stainless steel bracelet, a soft brush can be used to remove dirt from between the links.
- Avoid using harsh chemicals or abrasive materials, which can damage the case, crystal, or bracelet.
5.2 Battery Replacement
Your quartz watch is powered by a battery. When the battery runs low, the second hand may jump every four seconds (End-of-Life indicator). Battery replacement should only be performed by an authorized TAG Heuer service center or a qualified watchmaker to maintain the watch's water resistance and warranty.
5.3 Water Resistance Checks
It is recommended to have the water resistance of your watch checked annually, especially if it is frequently exposed to water. Gaskets can degrade over time, affecting the watch's sealing properties.
5.4 Sapphire Crystal Care
While the sapphire crystal is highly scratch-resistant, it is not entirely scratch-proof. Avoid direct impact and contact with extremely hard surfaces to prevent damage.
6. Troubleshooting
If you encounter issues with your watch, consider the following:
- Watch Not Running: Check if the crown is fully pushed in and screwed down. If the second hand is jumping every four seconds, the battery may need replacement.
- Date Not Changing: Ensure the time is set correctly, passing midnight. If the date changes at noon, the time is set for PM instead of AM. Adjust the time by 12 hours.
- Alarm Not Functioning: Verify that the alarm is set and activated according to the instructions in Section 3.3.
- Water Inside Watch: If you notice condensation or water inside the watch, immediately take it to an authorized service center. Do not attempt to open the watch yourself.
For issues not resolved by these steps, contact an authorized TAG Heuer service center.
7. Specifications
| Model Number | WAU111A.BA0858 |
| Brand | TAG Heuer |
| Movement | Swiss Quartz |
| Case Material | Stainless Steel |
| Case Diameter | 41.5 mm |
| Case Thickness | 12.4 mm |
| Crystal | Scratch-Resistant Sapphire |
| Dial Color | Black |
| Band Material | Stainless Steel |
| Band Width | 20 mm |
| Water Resistance | 200 meters (660 feet) |
| Functions | Date, Hour, Minute, Second, Alarm, Chronograph |
| Clasp Type | Fold-over clasp with safety |
8. Warranty and Support
Your TAG Heuer Formula 1 WAU111A.BA0858 watch typically comes with a manufacturer's warranty. For specific details regarding coverage, duration, and terms, please refer to the warranty card included with your purchase or visit the official TAG Heuer website. The provided information indicates an Amazon.com warranty type.
For service, repairs, or any technical inquiries, it is highly recommended to contact an authorized TAG Heuer service center. Using unauthorized service providers may void your warranty and could compromise the integrity and performance of your watch.

Image 8.1: The TAG Heuer watch presentation box, where warranty information and manuals are typically found.