Bergeon 4509 Silicon 7 Watch case and crowns sealant (10 Grams)

Bergeon 4509 Silicon 7 is a professional-grade sealant designed specifically for watch cases and crowns. This 10-gram tube provides reliable protection against moisture and dust infiltration, essential for maintaining water resistance and preserving internal mechanisms. The silicone-based formula offers excellent adhesion to metal and plastic surfaces while remaining flexible after curing, preventing stress on delicate watch components. Ideal for watchmakers, repair technicians, and serious enthusiasts performing case assembly, crown installation, or maintenance work. Easy to apply and clean before setting, this sealant ensures long-lasting durability and performance in precision timepiece work.