Calendar mechanism having means driving and correcting two...
Clock with moon dial
Display module for watch movement
Display of changing moon on watch face
Display of changing moon on watch face
Globe clock device and methods of making and using the same
Lunar phase display mechanism
Mechanism for displaying the moon phases
Method and device for displaying a moon image cycle, in...
Moon phase device
Moon phase display clock
Moon phase wheel chart
Timepiece with analog display capable of indicating a date...