The Retro octagonal GA-2100 now with Smartphone Link and Tough Solar power. \ -Smartphone Link feature \ -Mobile link (Wireless linking using Bluetooth®) \ Tough Solar (Solar powered) \ -Phone finder \ -Mineral Glass \ -World time 38 time zones \ -1/100-second stopwatch \ -Countdown timer) \ -Alarm/hourly time signal \ -5 daily alarms \ -Calendar \ -Full auto-calendar (to year 2099) \ -Mute feature \ -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 \ -12/24-hour format \ -Case / bezel material: Carbon / Resin? \ -Resin Band \ -Construction \ -Shock Resistant \ -Carbon Core Guard structure \ -200-meter water resistance \ - Case size 48.5 × 45.4 × 11.9 mm