Details Casio G-Shock Watch GW-M5610NV-2JF is a tough solar watch, comes with a new classical design along with the concept of ultimate toughness. It comes with navy blue colour which is the classic color of military fashion. This G-Shock series watch offers 20 ATM water resistance and shock resistant construction with inorganic front glass. Other features of the watch are Radio reception function, World time (29 time zone, 48 cities), Stopwatch, 5 time alarms, Battery indicator display, Full auto calendar, 12/24 hour display switching, Resin band, EL backlight and about 10 months of battery life. Specs Case · Bezel Material: Resin Resin band Impact Structure (Shock Resist) Inorganic glass 20 ATM water resistant Tough Solar (Solar Charging System) Radio reception function: Automatic reception (up to 6 times / day, Chinese radio waves up to 5 times / day) / Manual reception, Received radio waves: JJY, Frequency: 40 kHz / 60 kHz (Fukushima / Kyushu Both station correspondence model) Received radio wave: MSF / DCF77, frequency: 60 kHz / 77.5 kHz Received radio wave: BPC, frequency: 68.5 kHz * Set as a city that can receive home time setting Then, I will receive a station that matches the city. The time difference is set by the selected city. World time: Time display of 48 cities worldwide (29 time zone, with daylight saving time setting function) + UTC (Coordinated Universal Time), UTC direct call function Stopwatch (1/100 second, 24 hour total, with split) Timer (set unit: 1 minute, maximum set: 24 hours, measured in 1 second increments) Time alarm 5 pcs (With only 1 snooze function) · Time signal Battery indicator display Power saving function (Power saving by turning off the display after a certain period of time in the dark) Full auto calendar 12/24 hour display switching Operation sound ON / OFF switching function EL backlight (full auto EL light, with afterglow function) About 10 months in the case of using the driving time function in the state without solar power generation from the time of full charge : about 26 months in the case of power saving state: about 26 monthsãã Home time city (receiving function supporting city) / received radio wave Tokyo, Seoul, Taipei / Japan Standard radio waves WWVB Lisbon, London, Madrid, Paris ( standard wave ) JJY 40 · JJY 60 (Honolulu), (Anchorage), Vancouver, Los Angeles, Edmonton, Denver, Mexico City, Chicago, Miami, Toronto, New York, Halifax, St. John's / , Standard radio waves of MSF / Germany in Rome, Berlin, Stockholm, Athens, (Moscow) / UK · German standard radio waves DCF 77 Hong Kong, Beijing / China standard radio wave BPC » Each city in () can be received if conditions are good . * When radio wave reception is not performed, it operates with normal quartz accuracy (average monthly difference of ± 15 seconds). Size (H × W × D): 46.7 × 43.2 × 12.7 mm Mass: 51.7 g