A watch includes a housing formed of electrically insulative material, a battery, and a conducting plate with plural conductor paths. Electrically connected between the conductor paths and the poles of the battery are conducting rails. Each conducting rail includes first and second contact tongues formed of electrically conductive material. The conducting rail is mounted to the housing such that the first and second contact tongues contact a pole of the battery and one of the conductor paths, respectively. The conducting rails include spring arms that are inserted into slits of the housing to frictionally, but releasably, hold the conducting rails in the housing.

An electronic clock movement structure in which pressure to the contact plates by attachment of the upper case to the lower case does not electrically connect the contact plates with the circuit base plate but also holdingly attaches the gear train combination to the lower case.

A synchronous motor includes a disc-shaped rotor, a one-piece stator, and a coil assembly including a core and a winding therearound. The stator is connected to one end of the core and includes a pair of legs, the ends of which extend along an arcuate length thereby to define stator pole faces spaced from and concentric with the axis of rotation of the rotor. The rotor is magnetized radially and presents a plurality of contiguous substantially equally sized magnetic poles of alternating polarity at an air gap. The magnetic poles are of an angular length greater than the length of the stator pole faces. The motor is received by a molded casing providing means both for locating the stator pole faces and the rotor within the stator field at the air gap. The core provides an additional stator pole face in the magnetic field of the rotor and the winding of the motor is energized either by an A.C. or a D.C. source.

A substrate board carrying circuit components is fastened to the plastic carrier frame of an electronic timepiece at one location by an elongated battery spring contact which is affixed to the carrier frame such as by adhesive and which passes through aligned passages provided through both the frame and substrate board, eventually terminating beyond the substrate board in a contact post where a solder bead is applied functioning not only as a connection to the circuitry on the substrate board but also as a retaining head holding the substrate board to the carrier frame. Preferably, the substrate board and carrier frame are held together at a second location by a stab joint arrangement wherein a protrusion on either the board or frame is received in a corresponding recess in the other member.

A battery operated quartz crystal controlled alarm clock includes a single printed circuit board having a quartz crystal controlled oscillator and an oscillator controlled drive circuit mounted directly on the single printed circuit board. Additional components as for example a time display unit, an alarm signal source, a disconnect switch for the alarm signal source and one or more batteries are all arranged directly on the same circuit board with direct electrical contact being established between the components and the conductive areas plated on the circuit board. The release spring of an electro-mechanical movement is mounted on the conductor side of the circuit board and serves to establish electrical contact between two conductive areas of the circuit board to complete an electrical circuit for energizing the alarm signal source. The movement is mounted on the opposite side of the printed circuit board and communicates with the release spring through an aperture formed in the printed circuit board. All of the electrical connections are designed to substantially reduce the number of connecting members and the number of soldering operations required to produce the clock.