G-SHOCK GM-2100B-3ADR Green Grey Analog Digital Rubber Strap

Case / bezel material: Resin / Stainless steel
Resin Watch Strap
Neobrite
Shock Resistant
Mineral Glass
Dark gray ion plated bezel
Water resistance 200 meters
Double LED lights
LED light for watch face (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
LED backlight for digital displays (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
World time
31 time zones (48 cities + coordinated universal time), daylight saving time on/off
Stopwatch 1/100 second
Measuring capacity:
00'00'00~59'59'99 (for the first 60 minutes)
1:00'00'~23:59'59' (after 60 minutes)
Units of measurement:
1/100 second (for the first 60 minutes)
1 second (after 60 minutes)
Measurement modes: Elapsed time, split time, first-second position time
Countdown timer
Unit of measurement: 1 second
Countdown interval: 24 hours
Countdown start time setting range: 1 second to 24 hours (1 second increment, 1 minute increment, and 1 hour increment)
5 daily alarms
Hourly time signal
Needle shift feature
Fully automatic calendar (up to 2099)
12/24 hour format
Operation button sound on/off
Regular punctuality
Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (day)
Digital: Hours, minutes, seconds, pm, month, date
Accuracy: ±15 seconds per month
Estimated battery life: 3 years on SR726W × 2
Diameter: 44.4mm