| 摘要 |
The present invention includes an optical system with a first composite image viewable through a lenticular lens sheet. The first composite image is formed of a multiplicity of spaced apart parallel stripes with transparent stripes or voids therebetween. A second composite image or indicia can be positioned beneath the first composite image in a second plane. When viewed along one angle, the first composite image is visable. When viewed along a second angle, the second composite image is viewed through the transparent stripes or voids in the first composite image. A watch utilizing this optical system is also described.
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