These gaskets are popular in many Swiss watches, kit contains 30 of the most popular gasket sizes with 3 pcs in each packet. Standard size kit(18.5 - 33.00) Ref: WM668 Large size kit(33.5 - 46mm) Ref: WM668BG Refills available 3pcs per pack
Measurements: internal diameter X external diameter x 0.9mm Height
