{"id":1289,"date":"2026-05-27T01:23:55","date_gmt":"2026-05-27T01:23:55","guid":{"rendered":"https:\/\/casioshop.us.com\/index.php\/product\/gwm500a-1-silver-digital-watch-g-shock\/"},"modified":"2026-05-27T01:23:55","modified_gmt":"2026-05-27T01:23:55","slug":"gwm500a-1-silver-digital-watch-g-shock","status":"publish","type":"product","link":"https:\/\/casioshop.us.com\/index.php\/product\/gwm500a-1-silver-digital-watch-g-shock\/","title":{"rendered":"GWM500A-1 | Silver Digital Watch &#8211; G-SHOCK"},"content":{"rendered":"<p>As an upgrade to it&#8217;s predecessors, the new GWM500 add the ability to connect with the radio transmitter in China to update the watchs&#8217; time &#038; date in addition to adding an additional 18 cities added to the world time mode, for a total of 48-cities. The watchs&#8217; time memo function has been replaced with a countdown timer. Black resin band digital watch with neutral face.<\/p>\n<p><\/p>\n<p><p>Case size (L\u00d7 W\u00d7 H):56.8 \u00d7 46 \u00d7 16.6 mm<br \/>Weight:67 g<br \/>Case and bezel material:Resin \/ Stainless steel<br \/>Band:Resin Band<br \/>Construction:Shock Resistant<br \/>Water resistance:200-meter water resistance<br \/>Time adjustment:Radio-controlled Watch<br \/> Multi band 6<br \/>Power supply and battery life:Tough Solar (Solar powered)<\/p>\n<p><\/p>\n<p>Glass:Mineral Glass<\/p>\n<p><\/p>\n<p>World time:World timeu0026#10<br \/>31 time zones (48 cities + coordinated universal time), city code display, daylight saving on\/off<br \/>Stopwatch:1\/100-second stopwatchu0026#10<br \/>Measuring capacity: 23:59u002759.99u0027u0027u0026#10<br \/>Measuring modes: Elapsed time, split time, 1st-2nd place times<br \/>Timer:Countdown timeru0026#10<br \/>Measuring unit: 1 secondu0026#10<br \/>Countdown range: 24 hoursu0026#10<br \/>Countdown start time setting range: 1 minutes to 24 hours (1-minute increments and 1-hour increments)<br \/>Alarm\/hourly time signal:Daily alarmsu0026#10<br \/>5 independent daily alarms (4 one-time alarms and 1 snooze alarm),Hourly time signal<br \/>Light:Electro-luminescent backlightu0026#10<br \/>Full auto EL light, afterglow<br \/>Light color:EL:Blue Green<br \/>Calendar:Full auto-calendar (to year 2099)<br \/>Mute feature:Button operation tone on\/off<br \/>Energy saving feature:Power Saving (Turns off the display when the watch is left in the dark)<br \/>Battery display\/alert:Battery power indicator<br \/>Run time:Approx. battery operating time:<br \/>\n9 months on rechargeable battery (operation period with normal use without exposure to light after full charge)<br \/>\n33 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)<br \/>Accuracy:Accuracy: \u00b115 seconds per month (with no signal calibration)<br \/>Other features:12\/24-hour format,Regular timekeeping:u0026#10<br \/>Hour, minute, second, pm, month, date, day<br \/>Time adjustment details:Time calibration signal receptionu0026#10<br \/>Auto receive up to six* times a day (remaining auto receives canceled as soon as one is successful)u0026#10<br \/>*5 times a day for the Chinese calibration signalu0026#10<br \/>Manual receiveu0026#10<br \/>The latest signal reception results,Time Calibration Signalsu0026#10<br \/>Station name: DCF77 (Mainflingen, Germany)u0026#10<br \/>Frequency: 77.5 kHzu0026#10<br \/>Station name: MSF (Anthorn, England)u0026#10<br \/>Frequency: 60.0 kHzu0026#10<br \/>Station name: WWVB (Fort Collins, United States)u0026#10<br \/>Frequency: 60.0 kHzu0026#10<br \/>Station name: JJY (Fukushima, Fukuoka\/Saga, Japan)u0026#10<br \/>Frequency: 40.0 kHz (Fukushima) \/ 60.0 kHz (Fukuoka\/Saga)u0026#10<br \/>Station name: BPC (Shangqiu City, Henan Province, China)u0026#10<br \/>Frequency: 68.5 kHz<\/p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>As an upgrade to it&#8217;s predecessors, the new GWM500 add the ability to connect with the radio transmitter in China [&hellip;]<\/p>\n","protected":false},"featured_media":1288,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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