100-piece O-ring assortment for sealing after wristwatch repair. Contains the most important sealing rings. 100pcs. O-ring assortment for watches. In the most popular diameters: 10x approx. 16 mm, 12x approx. 18 mm, 14x approx. 20 mm, 18x approx. 22 mm, 18x approx. 24 mm, 10x approx. 26 mm, 10x approx. 28 mm, 10x approx. 30 mm. https://elecena.pl/product/18252160/b60122-o-ring-kit-100-piece 2021-05-02 https://elecena.pl/product/18252160/b60122-o-ring-kit-100-piece 2025-04-06