G-Shock GA-900-4A

Structure Size (L x W x H)

• 52.8 x 49.5 x 16.9 mm

Weight

• 65 grams

Case and frame material

• Case/bezel material: Resin

The bracelet

• Resin bracelet

building

• Shock resistant

Water resistant

• Water resistance up to 200 meters

Power supply and battery life

• almost. Approximate battery life: 7 years on CR2016

the outside

glass

• Glass is metallic

View features

UTC

• Universal Time 31 time zones (48 cities + Coordinated Universal Time), Daylight saving time on/off, Home city/universal time zone switching, One-touch UTC time zone access

stopwatch

• Stopwatch 1/100 second Measuring capacity: 23:59'59.99'' Measuring modes: Elapsed time, split time, 1st and 2nd place times Others: Target time alarm, direct timing starts from timing display mode

Timer

• Countdown timer Unit of measurement: 1/10 second Countdown range: 60 minutes Countdown start time setting range: 1 to 60 minutes (in 1-minute increments)

Hourly alarm/time indication

• 5 daily alarms (with 1 snooze alarm)
• Hourly time indication

Light

• LED light (Highlight), selectable illumination duration (1.5 seconds or 3 seconds), afterglow

Light color

• LED: white

calendar

• Full auto-calendar (up to year 2099)

Mute feature

• On/off button operation tone

Accuracy

• Accuracy: ±15 seconds per month

Other features

• 12/24 hour format
• Hand shift feature (The hands move out of the way to provide an unobstructed view of digital screen contents.)
• Regular time display: Analog: 2 hands (hours, minutes (hands move every 20 seconds)) Digital: hour, minute, second, pm, month, date, day