1. Introduction
This manual provides detailed instructions for the Accutime JRW4100 LED Digital Watch. This watch features a bright LED display and a durable acrylic strap, designed for ease of use and clear time-telling. It displays hours, minutes, seconds, month, and day, and supports both 12-hour and 24-hour formats.

Figure 1: Front view of the Accutime JRW4100 LED Digital Watch. The watch face shows the time "10:00" in red LED digits, with the "Jurassic World" logo and a dinosaur silhouette below. The watch has a silver-colored bezel and a green strap with a jungle pattern.
2. Product Overview
The Accutime JRW4100 is a digital LED watch designed for children. It features a vibrant LED display that activates with a button press, conserving battery life. The watch includes two control buttons on the right side of the case for setting time and date. The strap is made of soft acrylic, ensuring comfort and adjustability.
2.1 Components
- LED Display: Shows time (hours, minutes, seconds), month, and day.
- Control Buttons: Two buttons located on the right side of the watch case for adjustments.
- Acrylic Strap: Adjustable strap with a buckle closure.
- Watch Case: Houses the internal components and battery.

Figure 2: Full view of the Accutime JRW4100 LED Digital Watch with its green acrylic strap extended. The strap features a jungle and dinosaur pattern, including a Tyrannosaurus Rex on the upper part and a Velociraptor on the lower part. The watch face displays "10:10".
3. Setup
3.1 Adjusting the Strap
- Place the watch on the wrist.
- Thread the strap through the buckle.
- Select a hole on the strap that provides a comfortable and secure fit. The strap has 7 adjustment holes.
- Fasten the buckle.
3.2 Initial Power-On
The watch comes with a pre-installed CR2032 button cell battery. To activate the display, press either of the two control buttons on the right side of the watch case. The LED display will illuminate for a few seconds and then turn off automatically to conserve battery life.
4. Operating Instructions
The watch features two buttons on the right side. For setting, we will refer to them as Button A (top) and Button B (bottom).
4.1 Displaying Time and Date
- Press Button A once to display the current time (hours and minutes).
- Press Button A again to display the date (month and day).
- Press Button A a third time to display seconds.
- The display will automatically turn off after a few seconds to save power.
4.2 Setting Time and Date
- Press Button A to activate the display.
- While the display is active, press and hold Button A for approximately 3 seconds until the hour digits begin to flash. This indicates you are in setting mode.
- Press Button A repeatedly to advance the hour.
- Once the correct hour is set, press Button B once to move to the minute setting. The minute digits will flash.
- Press Button A repeatedly to advance the minutes.
- Press Button B once to move to the month setting. The month digits will flash.
- Press Button A repeatedly to advance the month.
- Press Button B once to move to the day setting. The day digits will flash.
- Press Button A repeatedly to advance the day.
- Press Button B once to move to the 12/24 hour format setting. "AM" or "PM" (for 12-hour) or "H" (for 24-hour) will flash.
- Press Button A to toggle between 12-hour and 24-hour format.
- After setting the desired format, press Button B once to exit the setting mode. The display will stop flashing and return to normal operation.
5. Maintenance
5.1 Cleaning
- Wipe the watch case and strap with a soft, damp cloth.
- Avoid using harsh chemicals or abrasive cleaners, as these can damage the watch's finish or materials.
5.2 Battery Information
The Accutime JRW4100 watch is powered by a non-rechargeable CR2032 button cell battery. This battery is not designed to be replaced by the user. Attempting to replace the battery may damage the watch and void any potential warranty. The watch is designed for the LED display to turn off automatically after a few seconds to maximize battery life.
6. Troubleshooting
- Display does not light up:
- Ensure a button is pressed firmly.
- The battery may be depleted. As the battery is not replaceable, if the watch does not function after repeated attempts, it may have reached the end of its operational life.
- Time is incorrect:
- Follow the "Setting Time and Date" instructions in Section 4.2 to reset the time.
- Buttons are unresponsive:
- Ensure the buttons are not obstructed.
- If the buttons remain unresponsive, the internal mechanism may be faulty.
7. Specifications
| Feature | Detail |
|---|---|
| Model Number | JRW4100 |
| Display Type | LED Digital |
| Strap Material | Acrylic |
| Strap Length | Approximately 21.7 cm (8.5 inches) |
| Case Dimensions | 3.8 x 3.7 x 0.9 cm (1.5 x 1.46 x 0.35 inches) |
| Weight | 24 grams (0.85 ounces) |
| Battery Type | CR2032 Button Cell (Non-replaceable) |
| Time Formats | 12-hour and 24-hour |
| EAN Code | 0030506567837 |

Figure 3: Close-up of the Jurassic World logo, which is featured on the watch face and packaging. The logo depicts a dinosaur skeleton silhouette over the words "Jurassic World" in a stylized font, set against a textured background.
8. Warranty and Support
Specific warranty information for the Accutime JRW4100 LED Digital Watch is not provided in this manual. For details regarding warranty coverage, please refer to the product packaging or contact Accutime customer support directly.
For further assistance or inquiries, please visit the official Accutime website or contact their customer service department.





