Classic watch from Casio B640WGG-9D

basic information

Structure size (L x W x H)

• 38.9 x 35 x 9.9 mm

the weight

• 49 g

Body and frame material

• resin

Belt

• Stainless steel bracelet
• Adjustable buckle

Water resistance

• Water resistance up to 50 meters

Power supply and battery life

• Approximate battery life: 3 years on CR2016

Exoskeleton

the glass

• Resin glass

Surface treatment

• Gold-tone ion plated bracelet

Watch features

Stopwatch

• 1/100th of a second stop watch Measuring capacity: approximately 00'00''00 to approximately 59'59'99 (for the first 60 minutes) 1:00'00 to approximately 23:59'59 (after 60 minutes) Unit of measurement: 1/100 of a second (for the first 60 minutes) 1 second (after 60 minutes) Measurement modes: Elapsed time, split time, 1st and 2nd place times

temporary

• Countdown Timer Measuring unit: 1 second Countdown range: 24 hours Countdown start time setting range: 1 second to 24 hours (1 second increments, 1 minute increments, 1 hour increments) Other features: Automatic repeat

Alarm/hourly time indication

• Hourly time indication
• Multi-tasking alarm clock

Flash alert feature

• Flash alert flashes with buzzer that sounds for alerts, hourly time signal

the light

• LED backlight, afterglow light

Light color

• LED light: amber

calendar

• Full auto-calendar (until 2039)

Precision

• Accuracy: ±30 seconds per month

Other features

• 12/24 hour format
• Regular recording of time: hours, minutes, seconds, evening, month, date, day