これどう思う？？
https://www.casio.com/content/dam/casio/product-info/locales/jp/ja/timepiece/product/watch/D/DW/DW6/dw-6640re-1/assets/DW-6640RE-1_square01.jpg
https://www.casio.com/content/dam/casio/product-info/locales/jp/ja/timepiece/product/watch/D/DW/DW6/dw-6640re-1/assets/DW-6640RE-1_belt_3.png