![Casio DW-240-1 [Japan]](https://external-preview.redd.it/aSUMgxa4QE70kXWKr4B6uS8_MFXmOfyGmLmzRqULnM8.jpeg?width=140&height=105&auto=webp&s=65b4e34a34e1ae41551fd0c31cd79b9d5fb4bd60)
Casio DW-240-1 [Japan]
Rare Casio DW-240-1. Japan made. Manufactured 1985. Module [690]. WR 200m. These watches were part of the Heavy Duty series, which includes the DV-200 (Marlin), DV-210, DV-240, DV-260, and DV-270 models. All of these models were produced in Japan, but the 240/260/270 were also produced in Korea. The Casio plant in Korea began production in 1988, and in the early 2000s, production was completely transferred to China.