Introduction
This manual provides detailed instructions for the proper use, setup, and maintenance of your Casio Men's EFM-502-1AVCF Edifice Watch. Please read this manual thoroughly to ensure optimal performance and longevity of your timepiece.

Image: Front view of the Casio EFM-502-1AVCF Edifice watch, showcasing its black dial, yellow accents, and stainless steel case with a black resin band.

Image: The Casio EFM-502-1AVCF Edifice watch displayed on a wrist, illustrating its size and fit.
Setup
Setting the Time and Date
- Pull out the crown: Gently pull the crown (the knob on the side of the watch) out to the first or second click position, depending on whether you are setting the date or time.
- Adjust the time: Rotate the crown to move the hour and minute hands to the correct time. Ensure the 12/24 hour format is correctly set if applicable.
- Adjust the date: If setting the date, rotate the crown in the opposite direction or to the first click position to adjust the date window.
- Push in the crown: Once the time and date are set, push the crown back into its normal position to start the watch movement.
Initial Inspection
Upon receiving your watch, inspect it for any visible damage. Ensure all buttons and the crown operate smoothly. The watch comes with a battery included.
Operating the Watch
Basic Timekeeping
The Casio EFM-502-1AVCF features a quartz movement with an analog display, providing accurate timekeeping.
Chronograph Function
This watch includes chronograph subdials for measuring elapsed time. Refer to the specific button functions for starting, stopping, and resetting the chronograph. Typically, one button starts/stops and another resets.
Bi-directional Numbered Bezel
The watch is equipped with a bi-directional rotating bezel. This bezel can be used for various timing purposes, such as measuring elapsed time. Rotate the bezel to align the desired mark with the minute hand to track time intervals.
Date Window and 12/24 Hour Formats
The watch displays the current date in a dedicated window. It also supports 12/24 hour formats, which can be adjusted during the time setting process.
Maintenance
Water Resistance
This watch is water resistant to 200 meters (20 ATM). This makes it suitable for swimming and snorkeling. It is not suitable for scuba diving. Always ensure the crown is fully pushed in before exposing the watch to water.
Cleaning and Care
- Wipe the watch case and band with a soft, dry cloth regularly to remove dirt and moisture.
- For the resin band, a mild soap solution and a soft brush can be used, followed by rinsing with clean water and thorough drying.
- Avoid exposing the watch to extreme temperatures, direct sunlight for prolonged periods, or strong magnetic fields.
- Do not use chemical cleaners or solvents on the watch.
Battery Replacement
The watch is powered by a product-specific battery. When the battery runs low, it is recommended to have it replaced by a qualified watch technician to ensure proper sealing and water resistance.
Troubleshooting
Hands Misalignment
If the hour and minute hands become misaligned, this may require adjustment. Consult a professional watch repair service for recalibration to ensure accurate time display.
Watch Not Functioning
- Check if the crown is fully pushed in.
- The battery may need replacement.
- If the issue persists, seek professional assistance.
Specifications
| Feature | Detail |
|---|---|
| Model Number | EFM-502-1AVCF |
| Brand | Casio |
| Movement Type | Quartz |
| Case Diameter | 47 Millimetres |
| Band Material Type | Plastic (Resin) |
| Band Colour | Black |
| Water Resistance | 200 Meters (20 ATM) |
| Display Type | Analog |
| Features | Chronograph, Date Window, 12/24 Hour Formats, Bi-directional Numbered Bezel |
| Item Weight | 454 g |
| Batteries | 1 Product Specific battery required (included) |

Image: A visual comparison chart illustrating various watch case diameters, including the 44-48mm range relevant to this 47mm watch.
Warranty and Support
Warranty Information
The warranty type for this product is "Contact seller of record". For specific warranty terms and conditions, please refer to the documentation provided at the time of purchase or contact the seller directly.
Customer Support
For further assistance, technical support, or service inquiries, please contact your authorized Casio dealer or the seller from whom the watch was purchased.





