Casio F-91WB-7A White

Specifications

Basic Information

• Case size (L × W × H): 38.2 × 35.2 × 8.5 mm
• Weight: 21g
• Case and bezel material: Resin
• Bracelet: Bio-based resin strap

Water resistance

• Water resistant

Power supply and battery life

• Approximate battery life: 7 years with CR2016

Exterior

• Glass: Resin glass
• Compatible wrist size: 145 to 200 mm

Clock functions

Stopwatch

• 1/100-second stopwatch
• Measuring capacity: 59'59.99''
• Measurement modes: Elapsed time, split time, 1st-2nd place times

Alarm/time signal

• Daily alarm
• Hourly time signal

Lighting

• LED lighting
• Color: Green LED

Calendar

• Automatic calendar (set to 28 days for February)

Precision

• Accuracy: ±30 seconds per month

Other functions

• 12/24-hour format
• Regular time display: Hour, minute, second, am/pm, date, day of the week