The Casio F91W-1 is one of the most iconic and recognizable digital watches ever produced, known for its reliability, lightweight design, and everyday practicality. With its compact resin case and band, this watch offers exceptional comfort at just 21 grams, making it perfect for daily wear across all ages and styles.
A long-lasting 7-year battery, stopwatch, daily alarm, hourly time signal, and LED backlight make it a dependable choice for active lifestyles. The simple digital display delivers clear timekeeping with support for 12/24-hour formats and an auto-calendar. Its classic styling and durability have made it a global favorite for decades.
Specifications
Case
Dimensions: 38.2 × 35.2 × 8.5 mm
Material: Resin
Weight: 21g
Glass: Resin Glass
Band
Material: Resin
Movement & Power
Digital Quartz
Battery Type: CR2016
Battery Life: Approx. 7 years
Accuracy: ±30 seconds per month
Water Resistance
Water Resistant (splash-resistant)
Features
Stopwatch:
1/100-second
Measuring capacity: 59’59.99″
Modes: Elapsed time, split time, 1st/2nd place times
Alarms & Signals:
Daily alarm
Hourly time signal
Light:
LED light
Calendar:
Auto-calendar (pre-set for 28 days in February)
Time Format:
12/24-hour format
Regular timekeeping: Hour, minute, second, PM, date, day
Mark –
Watch is over rated and too small for my wrist