Here are some vintage Native American made ~ Navajo ~ coral sterling silver watch tips with an expansion band, that I recently picked up from my friend who run a Native American & Western Art auction house in New Mexico.
The watch tips measure measure 1-1/4 wide at the widest point by 1-1/4 long. 5-1/2 long but can stretch to 7-1/2 long, end to end.
The tips are unmarked, but they been tested and they are sterling silver. Excellent condition. circa 1970's.