Waterproof Crystal Grooved Gasket Compatible with Longines L4.691
High-quality waterproof crystal gasket (L Ring) for Longines L4.691. Ensures a tight seal to maintain water resistance. Ideal for routine maintenance or case back replacement.
Features:
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Custom fit for Longines L4.691
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Made from durable, high-grade teflon
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Maintains water resistance and internal protection
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Ideal for servicing or replacing worn gaskets
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Easy installation with basic tools
Note: It is recommended to pressure test your watch after gasket replacement to ensure continued water resistance.