A plumassière nowadays works only with feathers from farms. Still to find perfect matches you have to go through a lot of feathers Bulgari says around 500 for each watch. This is another parallel to horological gem-setting in jewelry making you can end up discarding some 50 of a stone by cut weight in order to get
link a good match in
link shape and physical dimensions but the loss in high-quality horological gem-setting can be as high as
link 90.