| 摘要 |
A digital timepiece is provided with a quartz oscillator, frequency divider and counting circuits, a decoder and a digital electrooptical display device. The timepiece is suitable to operate as a standard digital wristwatch to display the present, i.e., elapsed, time or in the alternative to indicate the remaining time of minutes in the hour or remaining seconds of the minute, i.e., the complement of the elapsed time. A data converter circuit responsive to a manually actuatable switch device is provided for performing the data complement conversion function.
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