Casio G-Shock GMA-S2100BA-2A1 Blue Dial Watch

Brand: Casio G-Shock, Series: 2100 Series, Model: GM-2100N-2A, Gender: Unisex, Case size: 42.9mm, Case Thickness: 11.2mm, Case Color: Blue, Dial Color: Blue, Case/bezel Material: Carbon / Resin, Band Material: Resin Band, Band Color: Blue, Clasp: Tang, Approx. battery life: 3 years on SR726W X 2, Bezel: Fixed, Bezel Color: Blue, Weight: 41g, Water Resistant: 200 Meters, Warranty: 2 Years, Construction: Shock Resistant, Carbon Core Guard structure, Glass: Mineral Glass, Other: Neobrite

Watch Features:

World time:
31 time zones (48 cities + coordinated universal time), daylight saving on/off

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, 1st-2nd place times

Timer:
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 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)), 1 dial (day)
Digital: Hour, minute, second, pm, month, date