2017 年 61 巻 216 号 p. 24-30
CASIO Corporation has developed the divers watch "FROGMAN" as a brand of the Shock Proof Watch "G-SHOCK" specialized in durability under severe underwater. We aimed to be a more practical product in diving activities, developed new triple sensor and new diving user interface, and commercialized the GWF-D1000 as a new FROGMAN which has triple sensor, radio controlled, and tough solar powered digital watch. This paper explains the technical summary of the development of GWF-D1000.