High quality sloped ceramic bezel insert. Will fit the Seiko SKX007/SKX009 line of watches as well as the newer Seiko 5 Sports SRPD or "5KX" models, or any cases which share compatibility with the aforementioned watches.

These also work with generic Chinese 40mm "Submariner" cases available commercially.

Available with or without an adhesive ring.

These inserts are SLOPED and only fit with crystals designed for use with sloped inserts. These DO NOT FIT with stock SKX or SRPD crystals. You MUST use a crystal designed for use with sloped ceramic inserts. I sell these as well! 

—-Click this link to compatible crystal—-

Need a domed crystal, hands, a movement, or something else for your mod? Click this link for my Ebay store

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Outside dimension: 38mm, inside dimension 30.8mm