Product Number GWN-1000B-1BJF Power Source Tough Solar (Solar Charging System) Power Duration Fully charged: Approx. 6 months Power Save mode: Approx. 25 months Case/Bezel Material Resin/Stainless Steel Glass Material Inorganic Glass Band Material Resin Case Size (H×W×D) 44.9×55.8×16.2mm Weight 101g Accuracy Average monthly deviation ±15 seconds (when not receiving signals) Water Resistance 20 bar (200m) water resistance LED White Shock-Resistant Structure (Shock Resist) Shock-resistant structure using a hollow case Compass Function Continuous direction measurement (60 seconds), North direction pointer function, Direction correction function Barometric Pressure Measurement Function Measurement Range: 260 to 1,100 hPa Barometric Trend Graph Display (shows past 20 hours), Barometric Differential Indicator (±10 hPa), Barometric Trend Information Alarm (alerts with an arrow and chime when significant barometric changes occur) Altitude Measurement Function / Relative Altimeter Measurement Range: -700 to 10,000 m Altitude Trend Graph, Altitude Difference Indicator (±100m / ±1000m), Measurement Interval Setting Function (5 seconds / 2 minutes) ※1-second intervals only for the first 3 minutes Temperature Measurement Function Measurement Range: -10 to 60°C Radio Wave Reception Function Automatic Reception (Max. 6 times/day) (China radio waves: Max. 5 times/day) / Manual Reception ＜Japan＞ Reception signal: JJY, Frequency: 40kHz / 60kHz (Fukushima/Kyushu dual-station compatible model) ＜North America＞ Reception signal: WWVB, Frequency: 60kHz ＜Europe＞ Reception signal: MSF/DCF77, Frequency: 60kHz / 77.5kHz ＜China＞ Reception signal: BPC, Frequency: 68.5kHz ※When the home time setting is set to a city where reception is possible, the watch will receive the signal from the station corresponding to that city. The time zone difference is set based on the selected city. Home Time Cities (Cities with Reception Functionality) Tokyo / Japan's Standard Radio Waves JJY40・JJY60 (Honolulu), (Anchorage), Los Angeles, Denver, Chicago, New York / America's Standard Radio Wave WWVB London, Paris, Athens / UK's Standard Radio Wave MSF・Germany's Standard Radio Wave DCF77 Hong Kong / China Standard Radio Wave BPC Other Functions Hand Position Auto-Correction Function Hand Retraction Function (Manual, Auto (during altitude/barometric pressure/temperature measurement)) World Time: Displays time for 29 cities worldwide (29 time zones, with daylight saving time setting function) + UTC (Coordinated Universal Time), Home Time city swap function, UTC direct call function Moon Data (Moon phase only) Tide graph Stopwatch (1/100-second, 24-hour, with split time) Timer (set unit: 1 minute, max set: 60 minutes, counts in 1-second increments) 5 alarms & hourly chime Battery indicator display Power saving function (stops hand movement after a set time in dark environments to conserve power) Full auto calendar 12/24-Hour Format Switch Operation Sound ON/OFF Switch Double LED Light: Dial LED Light (Full Auto Light, Afterglow Function, Afterglow Duration Switch (1.5 sec/3 sec)), LCD Panel LED Backlight (Full Auto Light, Afterglow Function, Afterglow Duration Switch (1.5 sec/3 sec)) "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.