LN LENQIN 0550
LN LENQIN Military Sport Analog Quartz Watch (Model 0550) User Manual
Brand: LN LENQIN | Model: 0550
1. Introduction
This manual provides essential information for the proper use and care of your LN LENQIN Military Sport Analog Quartz Watch, Model 0550. This watch is designed for active lifestyles, featuring a durable construction and practical functions.
2. Setup
2.1 Setting the Time and Date
To ensure accurate timekeeping and date display, follow these steps:
- Adjusting the Date: Gently pull the crown (the knob on the side of the watch) out to the first position. Turn the crown counter-clockwise to set the desired date.
- Adjusting the Time: Pull the crown out further to the second position. Turn the crown to move the hour and minute hands until the correct time is displayed. The watch supports both 12-hour and 24-hour formats.
- Once the time and date are set, push the crown back completely into its original position to start the watch movement and ensure water resistance.

Image: Instructions for adjusting the date and time using the watch crown.
3. Operating Instructions
3.1 Luminous Display
The watch features a luminous dial and hands, allowing for easy time reading even in low-light conditions. The luminosity is activated by exposure to light; the longer the watch is exposed to light, the more noticeable the glow will be in the dark.

Image: The watch face displaying its luminous function in the dark.
3.2 Time Formats
The watch displays time in both 12-hour and 24-hour (military) formats for versatile use.
4. Maintenance
4.1 Water Resistance
This watch is 3 ATM (30 meters) water-resistant. This means it is suitable for:
- Hand-washing
- Sweat-proof activities
- Rain-proof conditions
Important: The watch is NOT suitable for swimming, bathing, diving, or exposure to hot water. Do not press any buttons underwater.

Image: Water resistance guidelines for the watch.
4.2 Cleaning and Care
- Wipe the watch case and mineral glass with a soft, dry cloth.
- The nylon strap can be gently cleaned with mild soap and water, then air-dried.
- Avoid exposing the watch to extreme temperatures or strong magnetic fields.
5. Troubleshooting
5.1 Watch Not Running
If the watch stops running, the battery may need replacement. This watch uses a Japan imported quartz analog movement with a long-term battery life, but eventually, it will require a new battery.
5.2 Incorrect Time or Date
Refer to Section 2.1 "Setting the Time and Date" to correctly adjust the watch. Ensure the crown is fully pushed in after adjustment.
6. Specifications
| Model Number | 0550 |
| Case Material | Stainless Steel |
| Case Diameter | 42 mm / 1.65 inches |
| Case Thickness | 12 mm / 0.47 inches |
| Band Material | Nylon |
| Band Width | 22 mm / 0.86 inches |
| Dial Window Material | Mineral Glass (Anti-scratch) |
| Display Type | Analog (12/24 hr) |
| Clasp Type | Buckle |
| Movement | Japan Imported Quartz Analog |
| Water Resistance | 3 ATM (30 meters) |
| Battery | 1 A battery (included) |

Image: Detailed product specifications.
7. Warranty and Support
Your LN LENQIN watch comes with a 1-year warranty. For any inquiries or support needs, 24-hour customer service is available to assist you.
8. Product Videos
8.1 Mens Watches Display
Video: A display of the LN LENQIN Mens Watch, showcasing its design and features.
8.2 LN LENQIN Mens Watches Military Watch (Preview)
Video: A brief preview highlighting the military style of the LN LENQIN Mens Watch.
8.3 LN LENQIN Mens Watches Unisex Sport Military Watches
Video: A comprehensive overview of the LN LENQIN Mens Unisex Sport Military Watch, detailing its features and versatility.
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