Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of your NIXON Re-Run A158 Digital Watch. Please read this manual thoroughly to ensure proper use and to maximize the lifespan of your timepiece.
Product Overview
The NIXON Re-Run A158 is a digital fashion watch featuring a retro-inspired design with modern functionality. It includes a digital display, calendar, alarm, dual time, countdown capabilities, and a backlight. The watch is constructed with a stainless steel band and case, and polyurethane pushers for mode navigation.

Image: Front view of the NIXON Re-Run A158 Digital Watch, showcasing its digital display and overall design.

Image: Side profile of the NIXON Re-Run A158 Digital Watch, highlighting its slim case and stainless steel band.

Image: Back view of the NIXON Re-Run A158 Digital Watch, showing the clasp and the watch's reverse side.

Image: Close-up of the NIXON Re-Run A158 Digital Watch backplate, displaying model and water resistance information.
Setup
1. Adjusting the Watch Band
The stainless steel band features an adjustable clasp. To adjust the band length, locate the small lever or arrow on the clasp. Use a small tool (like a paperclip or a watch adjustment tool) to lift the lever and slide the clasp along the band to the desired position. Press the lever back down firmly to secure the clasp. Ensure the clasp is securely fastened to prevent accidental detachment.
2. Initial Time and Date Setting
Upon first use or after a battery change, you may need to set the time and date. The NIXON Re-Run A158 typically uses a multi-function button system. While specific button labels are not provided, common digital watch operations involve:
- Mode Button: Press this button (often on the front or side) to cycle through different modes (Time, Date, Alarm, Timer, Dual Time).
- Set/Adjust Button: Once in the desired setting mode (e.g., Time setting), press and hold this button to activate the adjustment function. Digits will typically flash.
- Increment/Decrement Buttons: Use other buttons (often on the front or side) to change the flashing digits (hours, minutes, year, month, day).
- Confirm Setting: Press the Set/Adjust button again to confirm the setting and move to the next adjustable digit, or press the Mode button to exit the setting mode.
Refer to the "Operating Instructions" section for more details on specific functions.
Operating Instructions
The NIXON Re-Run A158 features several functions accessible via its polyurethane pushers. The exact button layout may vary, but the general operation principles are as follows:
1. Time Display
The default display shows the current time (hours, minutes, seconds) and often the day of the week. To switch between 12-hour and 24-hour format, typically press and hold a specific button while in time display mode, or access this setting within the time adjustment mode.
2. Date Display
From the time display, a quick press of the Mode button often cycles to the date display (month, day, year). The watch automatically adjusts for different month lengths and leap years once the year is set correctly.
3. Alarm Function
To set the alarm:
- Press the Mode button until "AL" or "Alarm" appears on the display.
- Press and hold the Set/Adjust button until the alarm time digits flash.
- Use the increment/decrement buttons to set the desired alarm hour and minute.
- Press the Set/Adjust button to confirm each setting.
- Press the Mode button to exit.
To activate/deactivate the alarm, typically press a specific button while in alarm mode. An alarm icon will appear when active.
4. Dual Time Function
The dual time function allows you to track a second time zone. To set:
- Press the Mode button until "DT" or "Dual Time" appears.
- Press and hold the Set/Adjust button until the dual time digits flash.
- Adjust the hours and minutes using the increment/decrement buttons.
- Press the Set/Adjust button to confirm.
- Press the Mode button to exit.
5. Countdown Timer
To use the countdown timer:
- Press the Mode button until "TR" or "Timer" appears.
- Press and hold the Set/Adjust button to set the desired countdown duration (hours, minutes, seconds).
- Use the increment/decrement buttons to adjust the time.
- Press the Start/Stop button to begin the countdown.
- Press the Start/Stop button again to pause/resume.
- When the timer reaches zero, an alert will sound.
6. Backlight
To illuminate the display in low-light conditions, press the dedicated Light button (often located on the side or front). The backlight will typically stay on for a few seconds.
Maintenance
1. Water Resistance
Your NIXON Re-Run A158 watch is 30 meters (3 ATM) water resistant. This rating means the watch is suitable for everyday use and can withstand splashes or brief immersion in water. It is not recommended for swimming, showering, or diving. Avoid pressing buttons while the watch is wet or submerged, as this can compromise the water seal.
2. Cleaning
To clean your watch, wipe it gently with a soft, damp cloth. For the stainless steel band, a mild soap solution can be used, followed by thorough rinsing and drying. Avoid using harsh chemicals, solvents, or abrasive cleaners, as these can damage the watch's finish or internal components.
3. Battery Replacement
The watch is powered by one LR44 battery. When the display becomes dim or the watch stops functioning, the battery may need replacement. Battery replacement should ideally be performed by a qualified watch technician to ensure the water resistance seal is properly maintained. Attempting to replace the battery yourself without proper tools and knowledge may void the warranty or damage the watch.
Troubleshooting
- Watch not displaying or displaying faintly: This typically indicates a low battery. Refer to the "Battery Replacement" section under Maintenance.
- Buttons are difficult to press or unresponsive: Ensure the buttons are clean and free of debris. If the issue persists, it may indicate a mechanical problem. Avoid forcing the buttons.
- Watch resets unexpectedly (time returns to 00:00): This can be a symptom of a critically low battery or, in rare cases, an internal circuit issue. Try replacing the battery first. If the problem continues, contact NIXON customer support.
- Time or date is incorrect: Follow the "Initial Time and Date Setting" instructions in the Setup section to re-adjust.
- Water ingress: If moisture appears inside the watch, immediately stop using it and seek professional service. Water damage is typically not covered under warranty if the water resistance guidelines were not followed.
Specifications
| Model Number | A158 |
| Display Type | Digital LCD |
| Movement Type | Quartz |
| Case Material | Stainless Steel |
| Band Material | Stainless Steel |
| Case Diameter | 38.5 Millimeters |
| Band Width | 19 Millimeters |
| Water Resistance Depth | 30 Meters (3 ATM) |
| Battery Type | 1 LR44 (included) |
| Item Weight | 0.1 Kilograms (3.53 ounces) |
| Additional Features | Alarm, Calendar, Dual Time, Light, Timer |
Warranty and Support
Warranty Information
This NIXON Re-Run A158 Digital Watch comes with a manufacturer's warranty. Please refer to the warranty card included with your purchase for specific terms, conditions, and duration. The warranty typically covers manufacturing defects but generally excludes damage caused by improper use, accidents, unauthorized repairs, or normal wear and tear.
Customer Support
For technical assistance, warranty claims, or service inquiries, please contact NIXON customer support. Visit the official NIXON website for contact details and service center locations.