EFR-557CD - Watch CASIO - Free user manual and instructions
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| Product Type | Wristwatch |
| Brand | Casio |
| Model | EFR-557CD |
| Series | Edifice |
| Movement | Japanese Quartz |
| Case Material | Stainless Steel |
| Glass | Mineral |
| Water Resistance | 100 meters (10 ATM) |
| Chronograph | 1/10 second stopwatch, elapsed time, split time, 60 minute capacity |
| Date Display | Yes, at 3 o'clock |
| Battery | CR2025 (estimated 2 year life) |
| Case Diameter | Approximately 44 mm |
| Case Thickness | Approximately 12 mm |
| Weight | Approximately 100 g |
| Strap | Stainless steel bracelet |
| Clasp | Fold-over with push-button safety |
| Functions | Hour, minute, second, date, stopwatch, tachymeter bezel |
| Care Instructions | Rinse with fresh water after saltwater use, avoid extreme temperatures, clean with soft cloth |
| Spare Parts | Battery, strap, crown available from authorized service centers |
| Reparability | Serviceable by Casio authorized repair centers |
Frequently Asked Questions - EFR-557CD CASIO
How do I set the time and date on my Casio EFR-557CD?
Pull the crown out to the first click to set the date, and to the second click to set the time. Turn the crown in the appropriate direction. Push the crown back in to complete.
How do I use the chronograph (stopwatch) function?
Press the top right button (A) to start and stop the stopwatch. Press the bottom right button (B) to reset. The chronograph measures up to 60 minutes in 1/10 second increments.
Is the Casio EFR-557CD suitable for swimming?
Yes, it is water resistant to 100 meters, so it is suitable for swimming and snorkeling, but not for deep diving.
How do I replace the battery in my Casio EFR-557CD?
We recommend having the battery replaced by a professional. The watch uses a CR2025 battery. Opening the case back may affect water resistance if not sealed properly.
What does the tachymeter bezel do?
The tachymeter measures average speed over a fixed distance (usually 1 km or 1 mile). Start the chronograph, and read the bezel at the finish to get speed.
How do I adjust the metal bracelet?
The bracelet has removable pins. Use a pin pusher to remove links. Alternatively, visit a jeweler for adjustment.
Can I download the user manual for the Casio EFR-557CD?
Yes, you can download the manual in PDF format from the notice-facile.com website or from the Casio support page.
What type of glass is used on the Casio EFR-557CD?
The watch uses mineral glass, which is scratch-resistant but can be polished if minor scratches occur.
How do I clean my Casio EFR-557CD?
Wipe the watch with a soft dry cloth. For dirt, use a slightly damp cloth. Avoid chemicals and abrasives. Rinse with fresh water after exposure to saltwater.
What is the warranty on the Casio EFR-557CD?
Casio typically offers a 2-year international warranty. Check your specific retailer for details.
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