Abstract
Recently,a sport comes to attract attention with the rapid expansion of the market. It starts the development of the multiple function sport watches which made the most of the latest electronics tecltnology as soon as possible, and our company introduces it in the market in the field of the sport watch. The diver's watches which the depth of water measturing fttnction was carried on are our company main force goods even of that. This time, it is reported to diver's watch of this depth of water measuring function load because it succeeded in the production of the "ECO DRIVE DEPTH METER" Cal.B74 which a battery exchange carried unnecessary accident generating electricity technology "ECO DRIVE" on. Cal.B74 carries the charging level indication function which can confirm the amount of charge before diving starts in addition to the depth of water measuring system and the time hand drive system of the new design optimized in the solar charging system.
