Citizen Watch Company, Ltd.

Sadao Ode

Toshikazu Hatuse

Kazunari Kume

Munetaka Tamaru

Katsuo Nishimura

Hideshi Ohno

Toshikazu Hatsuse

Takatoshi Osaka

Hiroshi Shiina

A clasp for an ornament including a clasp body connected to one end of the ornament, and an engaging member connected to the other end of the ornament. The engaging member is adapted to be lockingly secured in the clasp body. The clasp body is divided into a housing and a cover having an ornamental portion such as a letter, mark and pattern, for ease of replacement of the cover.

Clasp for ornaments

A battery unit for an electric timepiece is disclosed in which disclosed the battery compartment is formed in the member provided in the timepiece for supporting other parts of the device and wall means of the compartment is constructed to serve as a part of the container of the battery. The supporting member of the timepiece includes a watch case such as a middle, edge portion, back, and casing ring, and an inside supporting member such as a base, base plate, bridge, substrate.

Battery unit for an electric timepiece

An electronic watch comprising a timepiece circuit consisting of a reference oscillation source, a frequency divider and a display driving circuit, a display device connected to an output of said timepiece circuit, a power supply driving said timepiece circuit, an external actuator operating said timepiece circuit from the exterior of the watch, an outer case consisting of a case and a band, and a flexible hinge making the case integral with the band whereby there may be provided a useful and functional watch which is small in size and thin, and have no shortcoming such as a tendency for disconnection and erroneous wiring.

Electronic watch

A device for automatically removing glass from timepiece cases and attaching the glass to the timepiece case again is disclosed. The device comprises a case holding frame disposed on a heater board and a push rod for pushing the glass upon the timepiece case, whereby the timepiece case is locally heated under pressure.

Growing community of inventors

Houya, Japan

Sadao Ode