G-Shock Digital & Analogue Watch Solar CasiOak Series GAB2100-1A1

Upgrade the retro look you love with the octagonal GA-2100 line, which inherits the design concept of the very first G-SHOCK, but now with Smartphone Link and Tough Solar power.

Specifications:

• Case / bezel material: Carbon / Resin
• Resin Band
• Shock Resistant
• Mineral Glass
• Neobrite
• Carbon Core Guard structure
• 200-metre water resistance
• Tough Solar (Solar powered)
• 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
• Smartphone Link feature - Mobile link (Wireless linking using Bluetooth®)<p>
• Apps: CASIO WATCHES
• App connectivity feature
• Auto time adjustment
• Easy watch setting
• Approximately 300 world time cities
• Time & place
• Reminder
• Phone finder
• 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
• Full auto-calendar (to year 2099)
• Mute feature
• Button operation tone on/off
• Energy saving feature
• Power Saving (display goes blank to save power when the watch is left in the dark)
• Battery display/alert - 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 - Analogue: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (battery level, mode) - Digital: Hour, minute, second, pm, month, date, day
• Case size (L× W× H): 48.5 × 45.4 × 11.9 mm
• Weight: 52 g