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User manual Casio G-Shock GWN-1000B-1BER (English - 15 pages)
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CASIO G-Shock GULFMASTER GWN-1000B-1BJF Blue Black Radio Solar Mens Watch New | eBay
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GWN-1000B-1BJF Casio G-Shock
Watch Casio G-SHOCK GWN-1000B-1B – original men's quartz wristwatch with an official guarantee Watches Wristwatches time style classic timer stopwatch design - AliExpress
Casio GWN-1000B-1BER / GWN1000B-1B Gulfmaster Blue