Casio G-Shock GMW-B5000MB-1D Digital

World time 5 world times: 39 cities around the world (39 time zones, with automatic daylight saving time setting function) + UTC (Coordinated Universal Time) time display, with home time time change function Stopwatch Stopwatch (1/100 second (less than 1 hour) / 1 second (1 hour or more), 24-hour counter, with split) timer Timer (set unit: 1 second, maximum set: 24 hours, measured in 1 second units) Alarm / time signal 5 time alarms (only 1 with snooze function), time signal Light LED backlight (with full auto light, super illuminator, fade-in / fade-out, afterglow function, afterglow time switching (2 seconds / 4 seconds)) Light color LED: white calendar Fully automatic calendar Operation sound ON / OFF switching function Operation sound ON / OFF switching function Power saving function Power saving function (In a dark place, the display is turned off after a certain period of time to save power) Battery display / warning Battery charge warning function Drive time Driving time without solar power generation from full charge When using the function: Approximately 10 months In power saving state: Approximately 22 months accuracy * If radio waves are not received or if it does not work with a smartphone, it will operate with normal quartz accuracy (average monthly difference ± 15 seconds). Other functions 12/24 hour system display switching Date display (month / day display replacement) Day of the week display (switching between 6 languages: English, West, French, German, Italian, and Russian) Time adjustment details Home time city (city that supports reception function) / Received radio wave Tokyo / Japanese standard radio waves JJY40 / JJY60 Los Angeles, Denver, Chicago, New York, Halifax / American standard radio WWVB London, Paris, Athens / UK standard radio wave MSF / German standard Radio DCF77 Hong Kong / China standard radio wave BPC Radio reception function: Automatic reception (up to 6 times / day) (China radio waves up to 5 times / day) / manual reception, Received radio wave: JJY, frequency: 40kHz / 60kHz (Fukushima / Kyushu station compatible model) Received radio wave: WWVB, frequency: 60kHz Received radio waves: MSF / DCF77, frequency: 60kHz / 77.5kHz Received radio wave: BPC, frequency: 68.5kHz