Casio G-STEEL 2100 Series Analog & Digital Green Cloth Band GM2100CB-3A Item SpecificationGlassMineral GlassResistance200-meter Water Resistance, Shock-ResistantCase/Bezel MaterialResin/Stainless SteelHandsNeobriteLEDWhiteMovementQuartzBand TypeTwo-Piece StrapAccuracy±15 Seconds per monthWorld Time31 time zones (48 cities + coordinated universal time), daylight saving on/offAlarm5 daily alarms (with 1 snooze alarm) Hourly time signalBatteryApprox. battery life: 3 years on SR726W X 2Light 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)Size49.3 × 44.4 × 11.8 mmWeight72 gOthers12/24-hour format Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.) Regular timekeeping: Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (day) Digital: Hour, minute, second, pm, month, date