https://www.casio.com/content/dam/casio/product-info/locales/jp/ja/timepiece/product/watch/G/GA/GA2/GA-2100-1A1/assets/GA-2100-1A1_Seq01.png.transform/main-visual-sp/image.png
カシオーク黒黒
実売1万円くらい
https://www.casio.com/jp/watches/gshock/product.GA-2100-1A1/
