Rock on, with this special watch developed in collaboration between G-SHOCK and Japanese guitar virtuoso Tomoyasu Hotei. - Sharing a passion for blazing new trails, Hotei and G-SHOCK continue to explore a special relationship as pioneers in their respective fields. And the result is another uniquely tough timepiece designed for the rock scene. Case / bezel material: Resin Resin Band Mineral Glass Neobrite Shock Resistant Carbon Core Guard structure 200-meter water resistance 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) Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents) World time31 time zones (48 cities + coordinated universal time), daylight saving on/off 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, split time, 1st-2nd place times Countdown timer - Measuring unit: 1 second - Countdown range: 24 hours - Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments) 5 daily alarms Hourly time signal Hand shift feature Full auto-calendar (to year 2099) 12/24-hour format Button operation tone on/off Regular timekeeping - Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (day)Digital: Hour, minute, second, pm, month, date Accuracy: ±15 seconds per month Approx. battery life: 3 years on SR726W × 2