Product Details Product Number GST-W300G-1A9JF Power Source Tough Solar (Solar Charging System) Battery Life Fully charged: Approx. 7 months Power Save mode: Approx. 18 months Case/Bezel Material Resin / Stainless Steel Glass Material Inorganic Glass Band Material Resin Case Dimensions (H×W×D) 55.9 × 49.3 × 15.3 mm Weight 84 g Accuracy Average monthly deviation ±15 seconds (when not receiving signals) Water Resistance 20 bar water resistance LED White Shock-Resistant Structure (Shock Resist) Shock-resistant structure utilizing a hollow case Radio Wave Reception Function Automatic reception (up to 6 times/day; up to 5 times/day for Chinese signals) / Manual reception Radio waves: JJY, Frequency: 40 kHz / 60 kHz (Model compatible with both Fukushima and Kyushu stations) Radio waves: WWVB, Frequency: 60 kHz Radio waves: MSF / DCF77, Frequency: 60 kHz / 77.5 kHz Signal: BPC, Frequency: 68.5 kHz *When the home time setting is set to a city where reception is available, the watch will receive the signal from the station corresponding to that city. The time zone is set according to the selected city. Home Time Cities (Cities with reception support) Tokyo, Taipei, Seoul / Japan's standard signals JJY40 and JJY60 (Honolulu), (Anchorage), Vancouver, Los Angeles, Edmonton, Denver, Mexico City, Chicago, New York, Halifax, St. John’s / U.S. standard signal WWVB Lisbon, London, Madrid, Paris, Rome, Berlin, Stockholm, Athens, (Moscow) / UK standard signal MSF, German standard signal DCF77 Hong Kong, Beijing / Chinese standard signal BPC Other functions Hand retraction function (When the hands overlap with the LCD display and make it difficult to read, the hands can be temporarily retracted from the LCD display) World Time: Time display for 48 cities worldwide (31 time zones, with daylight saving time setting function) + UTC (Coordinated Universal Time), home time city swap function Stopwatch (1/100-second resolution, 60-minute count, with split times) Timer (Set in 1-second increments, maximum set time: 100 minutes, measured in 1-second increments) 5 alarms (with countdown function) and hourly chime Battery indicator display Power-saving function (In dark environments, the display turns off after a set period to conserve battery power) Full auto calendar 12/24-hour format switch Beep on/off switch Dual LED lights: Dial LED light (with auto-on, super illuminator, afterglow, and afterglow duration switch (1.5 seconds/3 seconds)), LCD LED backlight (with auto-on, super illuminator, afterglow, and afterglow duration switch (1.5 seconds/3 seconds)) "IMPORTANT" Customs and taxes: Your country of residence may apply additional customs duties and import taxes. Please check the laws of your country before bidding. We cannot be held responsible for any expenses incurred for importing items into the purchaser's country of residence. If the winning bidder decides to cancel or withdraw, they will bear all risks, shipping costs, and return import duties.