Art Deco 14K white gold spiral ring Hexagon Onyx pocket chain link 5.1g JR109

This is an Art Deco 14k white gold pocket watch chain from the 1920s-1930s. It features a long spiral spring-like link, 20.7 x 2.0mm, punctuated by a long hexagon Onyx bar link, 20.4 x 2.0mm, and a spring ring clasp. The chain measures 9 1/4" and weighs 5.1 grams. It is hallmarked 14K. It can also be worn as a men's bracelet or anklet.