The Casio LA-20WH-1BDF is a compact and lightweight digital watch designed for simple, comfortable everyday wear. Featuring a black resin case and resin band, this petite square digital model weighs just 16 g and provides essential functions including a 1/100-second stopwatch, daily alarm, hourly time signal, amber LED light, auto-calendar, and 12/24-hour timekeeping. Its water-resistant construction and approximately 5-year battery life make it a practical, low-maintenance choice for casual daily use.
Key Features
Compact square digital design
Black resin construction
Resin case and bezel
Resin band
Resin glass
Water resistant
1/100-second stopwatch
Daily alarm
Hourly time signal
Amber LED light
Auto-calendar
12/24-hour time format
Approximately 5-year battery life
Ultra-lightweight 16 g design
Case & Bezel
Case and bezel material: Resin
Glass: Resin Glass
Compact square case design
Slim 8.6 mm case thickness
Lightweight construction
Compatible band size: 125–180 mm
Dial & Display
Full digital display
Regular timekeeping displays:
Hour
Minute
Second
PM
Date
Day
12/24-hour time format
Auto-calendar
Compact display designed for everyday timekeeping
Band
Resin band
Lightweight construction
Designed for comfortable everyday wear
Compatible band size: 125–180 mm
Water Resistance
Water resistant
Suitable for normal everyday use where basic water resistance is required
Casio's Middle East & Africa specifications list this model as "Water Resistant" without assigning a specific meter or bar rating, so no unverified depth rating is stated here.
Timekeeping
Digital quartz timekeeping
Hour, minute and second display
PM indicator
Date and day display
12/24-hour time format
Auto-calendar with February preset to 28 days
Accuracy: ±30 seconds per month
Stopwatch
1/100-second stopwatch
Measuring capacity: 59 minutes, 59.99 seconds
Elapsed time measurement
Split time measurement
1st and 2nd place times
Alarm & Additional Functions
Daily alarm
Hourly time signal
Auto-calendar
12/24-hour time format
Illumination
LED light
Amber LED color
Provides improved display visibility in dark environments
Power & Battery
Battery-powered digital quartz timekeeping
CR1616 battery
Approximate battery life: 5 years
Dimensions & Weight
Case Size: 34.5 × 30.4 × 8.6 mm
Weight: Approximately 16 g
Compatible Band Size: 125–180 mm
Ideal For
Suitable for:
Everyday wear
Casual use
Smaller wrists
Lightweight everyday styling
Students
Users who prefer compact digital watches
Users looking for simple, low-maintenance timekeeping
What's Included
Casio LA-20WH-1BDF Digital Watch
Casio packaging
User documentation
Warranty documentation, where applicable
All technical specifications above are based on Casio's official documentation for the LA-20WH-1B.
