ETA 6325 Winding PinionThe ETA 6325 Winding Pinion is a genuine Swiss replacement component manufactured specifically for the ETA/UNITAS 6325 manual wind movement. According to the official ETA/UNITAS parts catalogue, Part No. 410 is the Winding Pinion, a key component of the winding and keyless works mechanism responsible for transmitting motion from the crown and stem to the winding system.Manufactured to original Swiss factory specifications, the ETA 6325 Winding Pinion is engineered with precision-machined gear teeth and exact dimensional tolerances. These characteristics ensure proper engagement with the clutch wheel and stem while providing smooth and efficient manual winding performance. Every original ETA/UNITAS component is produced to maintain the factory standards required for dependable mechanical operation.The winding system is one of the most frequently used mechanisms in a manual wind watch. Every turn of the crown transfers rotational force through the ETA 6325 Winding Pinion, allowing energy to be delivered to the ratchet wheel and mainspring. Proper operation of this component is essential for smooth crown feel, efficient winding, and reliable long-term movement performance.A worn or damaged ETA 6325 Winding Pinion may cause slipping during winding, excessive crown resistance, rough engagement, or difficulty building the mainspring power reserve. Replacing the original component with a genuine Swiss replacement restores proper function while preserving the movement’s factory performance and mechanical integrity.Professional watchmakers choose genuine ETA/UNITAS spare parts because the keyless works relies on precise tooth geometry and accurate machining. The ETA 6325 Winding Pinion is manufactured using high-quality Swiss materials that provide excellent wear resistance and dependable engagement throughout years of regular use.The ETA/UNITAS 6325 remains a respected Swiss manual wind caliber used in many vintage timepieces. Preserving its originality requires authentic replacement components manufactured to original specifications. Installing the ETA 6325 Winding Pinion helps maintain smooth crown operation, reliable manual winding, and the overall mechanical performance expected from this classic Swiss movement.Whether restoring a collectible watch, servicing a customer’s timepiece, or performing a complete movement overhaul, the ETA 6325 Winding Pinion offers the precision, durability, and quality demanded by professional watchmakers. It is the ideal replacement for worn or damaged winding components and ensures dependable operation while maintaining the authenticity of the movement.Technical SpecificationsBrand: ETA / UNITASCaliber: 6325Part Name: Winding PinionPart Number: 410Movement Type: Manual WindSwiss MadeGenuine Swiss Replacement PartCondition: NOS (New Old Stock)FeaturesGenuine ETA / UNITAS partOriginal Swiss Made componentWinding Pinion Part No. 410Precision-machined gear teethAccurate factory dimensionsSmooth manual winding operationReliable keyless works performanceProfessional repair qualityIdeal for vintage movement restorationLong service lifeFunction and PurposeThe ETA 6325 Winding Pinion transfers rotational force from the crown and stem to the winding mechanism, allowing the mainspring to be wound efficiently. It is a critical component of the keyless works and contributes to smooth crown operation and reliable power transmission.CompatibilityCompatible with:ETA/UNITAS 6325 Manual Wind MovementPlease compare your movement caliber and original part number before purchasing.Professional UseThe ETA 6325 Winding Pinion is recommended for professional watchmakers, restoration specialists, collectors, and repair workshops servicing ETA/UNITAS 6325 manual wind movements.Build QualityManufactured to genuine Swiss standards, the ETA 6325 Winding Pinion provides excellent machining accuracy, dependable gear engagement, and exceptional durability for long-lasting movement performance.Long-Term ReliabilityWhen professionally installed, the ETA 6325 Winding Pinion restores smooth manual winding while preserving the original mechanical performance and reliability of the ETA/UNITAS 6325 movement.Frequently Asked QuestionsIs the ETA 6325 Winding Pinion a genuine Swiss part?Yes. The ETA 6325 Winding Pinion Part No. 410 is a genuine Swiss replacement component manufactured for ETA/UNITAS 6325 manual wind movements.What is the function of the ETA 6325 Winding Pinion?The ETA 6325 Winding Pinion transfers rotational force from the crown to the winding mechanism, enabling smooth manual winding and efficient power transfer to the mainspring.Shipping & Delivery�� Phone & WhatsApp: 20 122 323 9604�� Email: [email protected]�� Email: [email protected]�� Website: www.swisswh.com�� Facebook Page: https://www.facebook.com/WatchHouseSparePartsWe offer worldwide shipping via DHL and UPS. All orders are carefully packed and dispatched within 1–2 business days. Delivery typically takes 3–7 business days depending on the destination country and customs procedures.
