G-SHOCK Gold DUO MID Size GM-S2100 Series Watch

Case size (L× W× H)
45.9 × 40.4 × 11 mm

Weight
55 g

Case and bezel material
Resin / Stainless steel

Band
Resin Band

Construction
Shock Resistant

Water resistance
200-meter water resistance

Power supply and battery life
Approx. battery life: 3 years on CR1025

Glass
Mineral Glass

Surface treatment
Gold ion plated bezel

Compatible band size
145 to 200mm

Other
Neobrite
World time

World Time
31 time zones (48 cities + coordinated universal time), city code display, city name display, daylight saving on/off, auto summer time (DST) switching

Stopwatch
1/100-second stopwatch
Measuring capacity: 00'00''00~59'59''99 (for the first 60 minutes)
1:00'00~23:59'59 (after 60 minutes)
Measuring unit: 1/100 second (for the first 60 minutes)
1 second (after 60 minutes)
Measuring modes: Elapsed time, split time

Timer
Countdown timer
Measuring unit: 1 second
Countdown range: 24 hours
Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)

Alarm/hourly time signal
5 daily alarms
Hourly time signal

Light
Double LED light
LED light for the face (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
LED backlight for the digital display (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)

Light color
LED:White

Calendar
Full auto-calendar (to year 2099)

Mute feature
Button operation tone on/off

Accuracy
Accuracy: ±15 seconds per month

Other features
12/24-hour format
Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.)
Regular timekeeping:
Analog: 2 hands (hour, minute (hand moves every 20 seconds))
Digital: Hour, minute, second, pm, month, date, day