42.8mm Case Material Resin Glass Material Mineral Glass Band Type Resin *Band attachment possible size: 145～205mm Weight 52g Water Resistance 20 ATM Calendar Function Yes Other Features Shock Resistant Structure *Shock Resist Stopwatch *1/100 second (0'00''00～59'59''99), 1 second (1:00'00''～23:59'59''), 24-hour counter), with split Timer *Set unit: 1 second, maximum set: 24 hours, measured in 1-second increments, auto-repeat Multi-alarm, Hourly time signal Flash alert function *Alarm/Hourly time signal/Timer linked light emission LED backlight *Super Illuminator, afterglow function Light Color *LED: White Full Auto Calendar Average monthly difference: ±15 seconds 12/24 hour display switching ●Band: Resin band ●Length: 145～205mm/26.3mm ●Case size: 48.9 x 42.8 x 13.4mm ●Weight: 52g ●Shock Resistant Structure ●20 ATM water resistance ●Stopwatch (1/100 second (00'00"00～59'59"99) / 1 second (1:00'00"～23:59'59"), 24-hour counter, with split) ●Timer (Set unit: 1 second, maximum set: 24 hours, measured in 1-second increments, auto-repeat) ●Multi-alarm, Hourly time signal ●Full Auto Calendar ●12/24 hour display switching ●LED backlight (Super Illuminator, afterglow function) ●Flash alert function (Alarm/Hourly time signal/Timer linked light emission) ●Battery life: Approximately 5 years Watch body only