1. Product Overview
The SKMEI Model 1391 is a men's digital and analog sports watch designed for versatility and durability. It features a Japanese quartz movement for accurate timekeeping and offers multiple functionalities including a triple time zone display, LED backlight, stopwatch, alarm, date, and day display. The watch is constructed with a square large face and a comfortable leather band, suitable for various daily activities.

Figure 1.1: Front view of the SKMEI Model 1391 Digital Sports Watch. This image displays the watch's large square face, showing both the analog and digital displays, along with the four control buttons on the right side and one on the left.
2. Button Functions
Your SKMEI Model 1391 watch is equipped with five buttons to control its various functions. For the purpose of these instructions, they are referred to as follows:
- Button A: Top Right Button
- Button B: Middle Right Button
- Button C: Bottom Right Button
- Button D: Left Button

Figure 2.1: Angled view of the SKMEI Model 1391, highlighting the placement of the control buttons on the right and left sides of the watch case.
3. Setup and Initial Configuration
3.1 Setting Analog Time (Time One)
- Pull out the crown (the small knob on the right side, usually between Button A and B) to the first position.
- Rotate the crown to adjust the hour and minute hands to the desired time.
- Push the crown back in to secure the time setting.
3.2 Setting Digital Time (Time Two) and Date
- Press Button C repeatedly until the digital display shows the 'Time Setting' mode (usually indicated by flashing digits).
- Press Button B to cycle through the settings: seconds, hour, minute, month, date, day of the week.
- Use Button A to increase the flashing value. Hold Button A to advance rapidly.
- Once all settings are adjusted, press Button C to exit the setting mode.
3.3 Setting Time Zone Three
The small sub-dial on the digital display section indicates a third time zone. This is typically linked to the main digital time and can be adjusted relative to it. Consult the specific instructions provided with your watch for detailed adjustment steps, as this can vary by model.
4. Operating Instructions
4.1 Using the Stopwatch
- Press Button C to cycle through modes until 'Stopwatch' mode is displayed (usually indicated by 'ST' or 'STOP').
- Press Button A to start the stopwatch.
- Press Button A again to pause the stopwatch.
- Press Button A to resume, or Button B to reset the stopwatch to zero.
- Press Button C to exit stopwatch mode.
4.2 Setting the Alarm
- Press Button C to cycle through modes until 'Alarm' mode is displayed (usually indicated by 'AL' or an alarm icon).
- Press Button B to select the hour or minute digits for adjustment (they will flash).
- Use Button A to adjust the flashing value.
- Press Button C to confirm and exit alarm setting mode.
- To activate/deactivate the alarm, press Button A while in 'Alarm' mode. An alarm icon will appear/disappear.
4.3 Activating the Backlight
Press Button D (Left Button) to illuminate the digital display for a few seconds, allowing visibility in low-light conditions.
4.4 Switching 12/24 Hour Format
While in normal time display mode, press Button A to toggle between 12-hour (with AM/PM indicator) and 24-hour formats.
5. Maintenance
- Water Resistance: This watch is 3 ATM water-resistant, suitable for daily use like hand washing, rain, or sweating. It is not suitable for diving, swimming, snorkeling, or any water-related work.
- Important: Do not press any buttons while the watch is submerged in water.
- Temperature: Avoid using the watch in extremely hot or cold temperatures, as this can shorten its lifespan.
- Cleaning: Regularly clean the watch strap with a soft, dry cloth to maintain its appearance and prevent skin irritation.
6. Troubleshooting
- Fog or Water Droplets: If fog or water droplets appear on the watch surface, contact the manufacturer immediately.
- Inaccurate Time: Ensure the analog crown is fully pushed in. For digital time, re-enter setting mode and verify all values. If issues persist, the battery may need replacement.
- Buttons Not Responding: Check if the watch is in a specific mode that locks buttons. If not, a battery issue or internal malfunction may be present.
7. Specifications
| Feature | Specification |
|---|---|
| Dial Case Diameter | 2 inches / 5.1 cm |
| Dial Case Thickness | 0.59 inches / 1.5 cm |
| Band Width | 0.94 inches / 2.4 cm |
| Band Length | 10.43 inches / 26.5 cm |
| Watch Weight | 123g |
| Dial Window Material | Glass |
| Clasp Type | Buckle |
| Case Material | Zinc Alloy |
| Band Material | Leather |
| Water Resistance | 3 ATM (Daily Life Waterproof) |
| Battery Type | 1 Lithium Ion Battery (included) |
8. Warranty and Support
For warranty information or technical support regarding your SKMEI Model 1391 watch, please refer to the warranty card included in your product packaging or visit the official SKMEI website. You may also contact the retailer from whom you purchased the product for assistance.