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Seiko Case Seal for Seiko 1N00-5K39, 1E20-3110 & more.
Genuine Seiko case seal for Seiko watches with case numbers 1E20-3140. Y150-0BF0 and more. Seiko part number OF130BA1S or 0F130BA1S. This gasket has a round cross-section of thickness 0.6-0.69 mm. It is a black circular gasket with an internal diameter of 13.0mm.
Will fit Seiko watch cases with the following case codes:
Internal diameter: 13.0 mm.
This case seal is also known as: 0F130BA1S
If you are unsure which seal you require for your watch please Contact Us and we will check for you.