The Casio LW-204-4ADF is a lightweight digital watch combining a sporty casual design with practical everyday functionality. Built with a durable resin case, bezel, and band, it features a clear digital display, 50-meter water resistance, a 1/100-second stopwatch, 24-hour countdown timer, multi-function alarm, and an amber LED backlight for visibility in low-light conditions. At only 24 g, the LW-204-4ADF is comfortable for extended daily wear, while its CR2016 battery provides approximately 3 years of operation.
Key Features
Sporty casual digital design
Resin case and bezel
Resin band
Resin glass
50-meter / 5-bar water resistance
1/100-second stopwatch
24-hour countdown timer with auto-repeat
Multi-function alarm
Hourly time signal
Flash alert
Amber LED backlight with afterglow
Full auto-calendar through 2039
12/24-hour time format
Accuracy of ±30 seconds per month
Approximately 3-year battery life
Lightweight 24 g construction
Compatible wrist size: 145–215 mm
Case & Bezel
Case and bezel material: Resin
Glass: Resin Glass
Sporty and lightweight construction
Case thickness: 9.4 mm
Dial & Display
Digital display
Displays:
Hour
Minute
Second
PM indicator
Month
Date
Day
12/24-hour time format
Full auto-calendar through 2039
Band
Resin band
Compatible wrist size: 145–215 mm
Lightweight construction designed for comfortable everyday wear
Water Resistance
50-meter water resistance
5-bar water resistant
Designed for practical everyday use
Timekeeping
Digital quartz timekeeping
Hour, minute and second
PM indicator
Month, date and day
12/24-hour format
Full auto-calendar through 2039
Accuracy: ±30 seconds per month
Stopwatch & Timer
Stopwatch
1/100-second stopwatch
Measuring capacity:
59 minutes, 59.99 seconds for the first 60 minutes
Up to 23 hours, 59 minutes, 59 seconds after 60 minutes
Measuring modes:
Elapsed time
Split time
1st and 2nd place times
Countdown Timer
Countdown range: 24 hours
Measuring unit: 1 second
Start time setting range: 1 second to 24 hours
1-second, 1-minute and 1-hour setting increments
Auto-repeat function
Alarm & Additional Functions
Multi-function alarm
Hourly time signal
Flash alert
Display flashes together with the buzzer for alarms and the hourly time signal
Illumination
LED backlight
Amber LED light
Afterglow function
Designed for improved visibility in low-light conditions
Power & Battery
Battery-powered quartz timekeeping
CR2016 battery
Approximate battery life: 3 years
Dimensions & Weight
Case Size: 38.9 × 35 × 9.4 mm
Weight: Approximately 24 g
Compatible Wrist Size: 145–215 mm
Ideal For
Suitable for:
Everyday wear
Casual wear
Sports and active lifestyles
Travel
Users who prefer lightweight digital watches
Users looking for stopwatch and countdown timer functions
