Casio's ¥8,800 F-B100W opened for direct purchase in Japan on August 7 and sold out on Casio's own store within hours. Third-party Japanese retailers still list some stock. Casio's F-B100W went on general sale in Japan on August 7, and the company's own online store ran out of stock the same day. Several Japanese third-party retailers still list stock across the range, though pricing is a whole different story — some of it is above Casio's own figure, while some listings are marked down. We will post an update if/when the F-B100W series is back in stock.