Clock i.e. wrist watch, has moon-view aperture rotatably drivable in relation to rotating movement of large-moon pane, so that dark circular areas are provided in coverage and out of overage by rotating movement of small-moon pane
DE102010043954B3
Clock i.e. wristwatch, has scale carrier swingable between display position and non-display position around pivotal axis that is coaxial to pointer, where opening is covered in display position and not-covered in non-display position
