G-Shock Solar CasiOak Steel Bluetooth GMB2100D-1A

Basic Information:
Case size (Lx Wx H): 49.8 x 44.4 x 12.8 mm
Weight: 165 g
Case / bezel material: Stainless steel
Stainless Steel Band
Solid Band
One-touch 3-fold Clasp
Shock Resistant
200-meter water resistance
Tough Solar (Solar powered)

Smartphone Link/App Connectivity Features:
Mobile link (Wireless linking using Bluetooth(R))
Apps: CASIO WATCHES
Auto time adjustment
Easy watch setting
Approximately 300 world time cities
Time & place
Reminder
Phone finder

Exterior:
Mineral Glass
Screw Lock Back
Compatible band size: 150 to 205 mm
Neobrite

Watch Features:
World time: 38 time zones (38 cities + coordinated universal time), city code display, city name display, daylight saving on/off, auto summer time (DST) switching, Home city/World time city swapping
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, lap/split time
Countdown timer
Measuring unit: 1 second
Countdown range: 60 minutes
Countdown start time setting range: 1 second to 60 minutes (1-second increments and 1-minute increments)
5 daily alarms
Hourly time signal
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)
LED:White
Full auto-calendar (to year 2099)
Mute feature
Button operation tone on/off
Power Saving (display goes blank to save power when the watch is left in the dark)
Battery level indicator
Approx. battery operating time: 7 months on rechargeable battery (operation period with normal use without exposure to light after charge) & 18 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)
Accuracy: 15 seconds per month (with no mobile link function)
Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.)
12/24-hour format
Date/month display swapping
Day display (days of the week selectable in six languages)
Regular timekeeping
Analog: 2 hands (hour, minute (hand moves every 20 seconds))
1 dial (battery level, mode)
Digital: Hour, minute, second, pm, month, date, day