ETA/UNITAS 6422,6423 6427,6428 Swiss Movement Date jumper Part No. 2576, Swiss Watch.

ETA 6422 Date JumperThe ETA 6422 Date Jumper is a genuine Swiss replacement component manufactured specifically for ETA/UNITAS 6422, 6423, 6427, and 6428 manual wind movements. According to the official ETA/UNITAS spare parts catalogue, Part No. 2576 is identified as the Date Jumper, a critical component of the calendar mechanism responsible for accurately positioning and locking the date wheel after each daily date change.Manufactured to original Swiss factory specifications, the ETA 6422 Date Jumper is precision-machined to provide smooth engagement with the date wheel while working together with the date jumper spring. Its accurate geometry ensures that the date indicator aligns perfectly with the date window, maintaining the precise operation expected from genuine Swiss watch movements.Within the calendar mechanism, the ETA 6422 Date Jumper performs the important function of indexing the date wheel after it is advanced by the date driving mechanism. The jumper securely engages the teeth of the date wheel, preventing unwanted movement and ensuring that every displayed date remains centered and stable until the next automatic date change.A worn, bent, or damaged ETA 6422 Date Jumper may cause incorrect date alignment, incomplete date changes, skipped dates, or excessive movement of the date wheel. Replacing the damaged component with a genuine Swiss replacement restores accurate calendar operation while preserving the movement’s original factory performance.Professional watchmakers rely on genuine ETA/UNITAS replacement parts because the calendar mechanism requires extremely precise dimensional tolerances. The ETA 6422 Date Jumper is manufactured from durable Swiss-quality materials that provide excellent wear resistance, accurate engagement, and dependable long-term performance. Genuine components also eliminate compatibility issues commonly found with aftermarket replacement parts.The ETA/UNITAS 6422 family has earned an excellent reputation for robust construction, dependable reliability, and service-friendly design. Maintaining these movements with authentic components such as the ETA 6422 Date Jumper helps preserve originality, collector value, and long-term mechanical reliability. Using genuine Swiss parts ensures that the calendar mechanism continues to perform exactly as intended by the manufacturer.Whether performing preventive maintenance, rebuilding the date mechanism, or restoring a vintage Swiss timepiece, the ETA 6422 Date Jumper provides the precision, durability, and factory-quality performance expected from genuine Swiss watch components. Its accurate construction, reliable indexing action, and original specifications make it the preferred choice for professional watchmakers, restoration specialists, and collectors seeking authentic ETA/UNITAS spare parts.Technical SpecificationsBrand: ETA / UNITASCompatible Calibers: 6422, 6423, 6427, 6428Part Name: Date JumperPart Number: 2576Movement Type: Manual WindSwiss MadeGenuine Swiss Replacement PartCondition: NOS (New Old Stock)FeaturesGenuine ETA / UNITAS partOriginal Swiss Made componentDate Jumper Part No. 2576Precision-machined constructionAccurate factory dimensionsReliable calendar indexingSmooth date positioningProfessional repair qualityIdeal for vintage movement restorationLong service lifeFunction and PurposeThe ETA 6422 Date Jumper positions and locks the date wheel after each date change, ensuring accurate alignment of the displayed date and reliable operation of the calendar mechanism throughout the movement’s service life.CompatibilityCompatible with:ETA/UNITAS 6422ETA/UNITAS 6423ETA/UNITAS 6427ETA/UNITAS 6428Please compare your movement caliber and original part number before purchasing.Professional UseThe ETA 6422 Date Jumper is recommended for professional watchmakers, restoration specialists, collectors, and repair workshops servicing ETA/UNITAS 6422, 6423, 6427, and 6428 manual wind movements.Build QualityManufactured to genuine Swiss standards, the ETA 6422 Date Jumper features precision machining, excellent dimensional accuracy, and durable construction to provide dependable calendar performance during long-term operation.Long-Term ReliabilityWhen professionally installed, the ETA 6422 Date Jumper restores proper date indexing, maintains accurate date alignment, and preserves the original reliability and smooth calendar operation of compatible ETA/UNITAS movements.Frequently Asked QuestionsIs the ETA 6422 Date Jumper a genuine Swiss part?Yes. The ETA 6422 Date Jumper Part No. 2576 is a genuine Swiss replacement component manufactured specifically for ETA/UNITAS 6422, 6423, 6427, and 6428 manual wind movements.What is the function of the ETA 6422 Date Jumper?The ETA 6422 Date Jumper indexes and securely positions the date wheel after each daily calendar change, ensuring accurate date alignment and stable calendar operation.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.