Celebrate the G-SHOCK 40th anniversary in full-spectrum style with a masterpiece design that brings the colors of the rainbow to a splendid full-metal timepiece. Be free, stay true to your own style and values. Express yourself in all the colors of the rainbow. Featuring the distinctive octagonal case of the 2100 with design accents in a whole spectrum of color. Case and bezel material: Stainless steelShock ResistantTough Solar (Solar powered)Mobile link (Wireless linking using Bluetooth(R))Stainless Steel Band with One-touch 3-fold Clasp200-meter water resistanceMineral GlassScrew Lock BackWorld time: 38 time zones (38 cities + coordinated universal time), city name display, daylight saving on/off, auto summer time (DST) switching, Home city/World time city swapping1/100-second stopwatchCountdown timer5 daily alarmsHourly time signalDouble LED lightLED 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)Full auto-calendar (to year 2099)Power Saving (display goes blank to save power when the watch is left in the dark)Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.)12/24-hour formatDate/month display swappingDay 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, dayCase size (Lx Wx H): 49.8 x 44.4 x 12.8 mmCasio G-Shock Style #: GM-B2100PC-1A