Product Name: Casio F-91WM-1BDF (F-91WM-1B) Digital Square Vintage Retro Unisex Urethane Watch
Brand Introduction:
Casio is a Japanese watch and electronic device manufacturer established in 1946, known for its innovative technology and design. Particularly strong in the digital watch field, it has a powerful brand image and reliability, loved by consumers worldwide through its simple yet practical product philosophy.
Detailed Information:
- Movement: Precision Japanese quartz movement
- Case Material: Resin (lightweight plastic material)
- Strap Material: Urethane for elastic and comfortable wear
- Glass: Resin glass applied
- Water Resistance: 3ATM (suitable for everyday water exposure, but not for swimming or diving)
- Case Size: Approximately 38.2 × 35.2 × 8.5mm (including lugs and crown)
- Weight: Lightweight for comfortable wearing
- Color: Basic black background with simple digital square design in vintage retro style
Functionality:
- Digital watch (can switch between 12-hour and 24-hour display)
- Full auto calendar: Automatically recognizes leap years and the number of days in each month, no date adjustment necessary
- Built-in LED light: Allows time checking in dark environments
- Stopwatch function (measures in 1/100 second)
- Alarm function and chime function included (normal notifications)
- Average monthly deviation of ±30 seconds or less, with excellent accuracy
Usage Instructions:
- Adjust strap length to fit your wrist
- Activate LED light by pressing the designated button
- Time and date settings can be adjusted via button operations, and a detailed manual can be found on the manufacturer's website
- Easily control the 12-hour/24-hour switch, alarm, and stopwatch functions with buttons
Components and Materials:
- Case: Resin
- Band: Urethane (durable and flexible)
- Glass: Resin glass (lightweight yet moderately impact resistant)
Precautions:
- Do not expose to high temperature and high humidity for long periods (may cause product deformation)
- Do not place near flames (urethane and resin materials may deform)
- If stored unused for a long time, wipe off sweat or moisture with a soft cloth and store in a dry place
- 3ATM water resistance allows for face washing and slight rain exposure but is not suitable for swimming or showering due to high water pressure
- Be careful not to apply shock to the internal mechanisms of the watch
- For battery replacement, it is recommended to visit a professional center
Other:
- Unisex model suitable for all wrist sizes
- Vintage retro design pairs well with casual and everyday wear
- One of the best-selling models with reasonable pricing and Casio's reliability and durability
In summary, the Casio F-91WM-1BDF is a vintage-style digital wristwatch utilizing lightweight urethane band and resin case, equipped with basic alarm, stopwatch, LED light, and full auto calendar functions, providing practicality with everyday water resistance and high accuracy.
To request a return or exchange, please note that it is mandatory to provide a video of the unpacking of the package.
