G Shock GMB2100LL 1A League of Legends Steel Mens Watch brand@Seiko Featuring the iconic Calvin Klein Featuring the iconic Calvin Klein logo and a chronograph Beyond its delectable appearance 8mm Case Size 165g Weight Shock resistant (G SHOCK) Tough Solar (Solar powered) Double LED light LED light for the face & LED backlight for the digital display Mobile link (Wireless linking using Bluetooth®) Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents) World time 38 time zones coordinated universal time 1 100 second stopwatch Countdown timer 5 daily alarms Hourly time signal Battery level indicator Power Saving (display goes blank to save power when the watch is left in the dark) Full auto calendar (to year 2099) 12 24 hour format Button operation tone on off Date month display swapping Day display (days of the week selectable in six languages) Regular timekeeping Digital: Hour day Accuracy: ±15 seconds per month (with no mobile link function) Approx