Watch band with markers

A watch band, the watch band comprising:

• a band body defining an inner surface and an outer surface, the band body configured to couple to a watch and to conform around a portion of a user's body;
• a visible pattern disposed on the outer surface of the band body, wherein the visible pattern is configured to provide a machine-identifiable marker pattern to indicate a position of the watch band;
• and
• a visible overlay pattern disposed on the outer surface of the band body, wherein the visible overlay pattern at least partially overlaps the visible pattern.

A watch band, the watch band comprising:

• a band body defining an inner surface and an outer surface, the band body configured to couple to a watch and to conform around a portion of a user's body;
• and
• a lenticular lens assembly disposed on the outer surface of the band body, the lenticular lens assembly comprising:
• a pattern disposed on the outer surface of the band body;
• and
• an array of lenses configured to display the pattern at a first viewing angle and to obscure the pattern at a second viewing angle.