The anchor links appear to be hollow construction, as it was probably made during the war while use of metal was rationed(at least that is what I was told when I took it to be evaluated). It has been reviewed by Sotheby's NY in 2012.
Includes very rare original Cartier box in a most beautiful pale chartreuse with gold filigree. Bracelet length outer edge to edge is 8" by just over 1/2" (9/16) link width. The item "Cartier 1930's or 1940's 18kt Gold Anchor Link Bracelet Unisex" is in sale since Saturday, November 24, 2018. This item is in the category "Jewelry & Watches\Vintage & Antique Jewelry\Fine\Designer, Signed\Bracelets".The seller is "nnmmpp" and is located in New York, New York. This item can be shipped to United States.