1. Product Overview
The OUPINKE 3278 is a luxury automatic mechanical wristwatch featuring a sophisticated skeleton flywheel design. It combines exquisite craftsmanship with practical functionality, including year, month, date, and day of week displays. The watch is designed for durability and style, suitable for various occasions.

2. Components Overview
Familiarize yourself with the key components of your OUPINKE 3278 watch:

- Month Button: Used to adjust the month display.
- Date Button: Used to adjust the date display.
- Easy-to-use Crown: Used for winding the watch and setting the time.
- Year Button: Used to adjust the year display.
- Day Button: Used to adjust the day of the week display.
3. Setup and Initial Use
3.1. Initial Winding
Your OUPINKE 3278 watch features an automatic self-wind mechanical movement. If the watch has stopped or is running low on power, it needs to be manually wound:
- Ensure the crown is in its normal operating position (pushed in).
- Rotate the crown clockwise approximately 30-40 times. This will provide enough power for the watch to start running.
- The watch will then continue to wind itself through the motion of your wrist while worn.
3.2. Setting the Time
- Pull the crown out to the outermost position.
- Rotate the crown to set the hour and minute hands to the correct time.
- Push the crown back into its normal operating position to start the watch.
3.3. Setting Date, Month, Year, and Day of Week
Use the dedicated buttons as shown in Figure 2 to adjust the calendar functions:
- Date: Press the 'Date button' (top right) to advance the date.
- Month: Press the 'Month button' (top left) to advance the month.
- Year: Press the 'Year button' (bottom left) to advance the year.
- Day of Week: Press the 'Day button' (bottom right) to advance the day of the week.
Important: Avoid adjusting the date, month, or day of week between 9:00 PM and 3:00 AM, as this is when the watch's internal mechanisms are engaged in changing the date, and manual adjustment can damage the movement.
4. Operating Your Watch
Once set, your OUPINKE 3278 watch will operate automatically. The self-winding mechanism relies on the natural motion of your arm. If the watch is not worn for an extended period (typically 24-48 hours), it may stop and require manual winding to restart.


4.1. Luminous Display
The watch features luminous hands and markers that glow in the dark, allowing for readability in low-light conditions. This feature charges with exposure to light.

5. Maintenance
5.1. Cleaning
To maintain the appearance of your watch:
- Wipe the case and bracelet regularly with a soft, dry cloth.
- For stainless steel parts, a slightly damp cloth can be used, followed by drying thoroughly.
- Avoid using harsh chemicals or abrasive materials, which can damage the finish.
5.2. Water Resistance
The OUPINKE 3278 watch has a water resistance depth of 5 Bar (50 meters).
- It is suitable for daily use, such as hand washing, rain, and splashes.
- It is NOT suitable for showering, bathing, swimming, diving, or any water sports.
- Ensure the crown is fully pushed in before any contact with water.

5.3. Storage
When not wearing your watch, store it in a cool, dry place, away from direct sunlight, extreme temperatures, and strong magnetic fields, which can affect the accuracy of mechanical movements.
6. Troubleshooting
If you encounter any issues with your watch, please refer to the following common problems and solutions:
- Watch has stopped: The watch may need manual winding. Rotate the crown clockwise 30-40 times. If it still doesn't start, it might require servicing.
- Time is inaccurate: Ensure the watch is fully wound. Mechanical watches can lose or gain a few seconds per day; this is normal. If the inaccuracy is significant, it may need adjustment by a professional.
- Date/Month/Year/Day not changing: Check if the watch has enough power. Ensure you are not attempting to adjust these features between 9:00 PM and 3:00 AM.
- Condensation under crystal: This indicates a potential breach in water resistance. Avoid further contact with water and seek professional servicing immediately to prevent damage to the movement.
7. Specifications
Detailed specifications for the OUPINKE 3278 Automatic Mechanical Watch:

| Feature | Specification |
|---|---|
| Model Number | 3278 |
| Movement | Automatic Self-Wind Mechanical movement (24 jewels, 28,800 vph) |
| Case Material | 316L Stainless steel |
| Case Shape | Round |
| Case Thickness | 12mm |
| Dial Diameter | 43mm |
| Dial Window Material Type | Sapphire Crystal |
| Band Material Type | Stainless steel |
| Band Width | 21mm |
| Band Length | 22cm |
| Clasp Type | Push Button Hidden Clasp |
| Water Resistance Depth | 5Bar (50 meters) |
| Features | Skeleton, Luminous, Shock Resistant, Week Display, Year, Month, Date |
| Weight | 176g |
| Boxes & Cases Material | Leather |
Note: Due to manual measurement, actual dimensions may vary slightly.
8. User Tips
- For optimal accuracy, wear your automatic watch regularly. If you alternate watches, consider a watch winder to keep it running and accurate.
- Always ensure the crown is fully pushed in before exposing the watch to any moisture to maintain its water resistance.
- When setting the time, it's often recommended to set it a few minutes ahead and then turn it back to the correct time to reduce gear backlash and ensure more precise setting.
9. Warranty and Support
Your OUPINKE 3278 watch is crafted with high-quality materials and precision engineering. For any manufacturing defects or issues not covered by normal wear and tear, please contact the seller or authorized service center for assistance.
Keep your proof of purchase for any warranty claims.





