---------------------------------------------------------------------- [Precautions for Use of Electrical Appliances] 】 When using electrical appliances, please note that the voltage is different from that of Japan, which can cause malfunction. The plug type is Japanese type (A or B type), so please check the voltage and use a transformer. The transformer is different from the conversion adapter. A transformer is not required for USB power supply. ---------------------------------------------------------------------- ●35th Anniversary BIG BANG BLACK ●Inorganic glass ●Shock-resistant structure (shock resist) ●20 ATM water resistant ●Case/bezel material: Resin ●Resin band ●Hand retraction function (If the hands overlap the LCD display and are difficult to see, you can temporarily retract the hands from above the LCD display.) ●World time: 48 cities around the world (31 time zones, daylight saving time setting function included) + UTC (Coordinated Universal Time) time display, UTC direct call function, home time city switching function ●Stopwatch (1/100 second, 24-hour meter, with split, one-push measurement start from time mode, target time notification function) ●Timer (set unit: 1 minute, maximum set: 60 minutes, measured in 1/10 second increments) ●5 time alarms (only one with snooze function)/time signal ●Full auto calendar ●12/24 hour display switching ●Operation sound ON/OFF switching function ●LED light (with super illuminator, afterglow function, afterglow time switching (1.5 seconds/3 seconds)) ●Accuracy: Average monthly difference ±15 seconds ●Battery life: Approximately 5 years ●Size (H×W×D)/mass: 57.5×53.4×18.4mm/75g ●LED: White