Collection: Crystal Gasket for L4 Series

Maintain proper crystal sealing and restore long-term performance with our Crystal Gasket for Longines L4 Series, engineered as a high-quality aftermarket replacement for watches within the Longines L4 reference family. Made from durable, compression-resistant rubber, this gasket ensures secure crystal seating, stable pressure distribution, and reliable moisture protection—ideal for the slim and elegant profiles common in L4 models.

Designed with accurate dimensions to support a variety of L4-series case structures—including La Grande Classique, Elegant, DolceVita, Flagship, and other dress-oriented L4 references—this gasket provides consistent sealing when paired with the correct crystal. Its flexible yet resilient construction helps preserve water-resistance and maintain factory-style performance after servicing or restoration.

Perfect for crystal replacement, routine maintenance, or full refurbishment, the Crystal Gasket for Longines L4 Series ensures professional-grade sealing, precise fitment, and dependable longevity for all compatible L4 cases.