ETA UNITAS 6325 Fourth WheelThe ETA UNITAS 6325 Fourth Wheel (Part No. 224) is a genuine Swiss watch movement part manufactured specifically for the UNITAS 6325 manual wind movement. This precision gear is supplied with a second hand bit, allowing direct mounting and accurate driving of the small seconds hand while transmitting power through the movement’s gear train.Manufactured to strict Swiss quality standards, the ETA UNITAS 6325 Fourth Wheel features precision-cut teeth, polished pivots, and exact dimensional tolerances for smooth power transmission and reliable long-term performance. Whether replacing a damaged component or restoring a vintage Swiss movement, this Fourth Wheel Part No. 224 delivers factory-quality fit and dependable operation.The Fourth Wheel with Second Hand Bit plays a critical role in the movement’s going train. It receives power from the third wheel and transfers it toward the escape wheel while simultaneously driving the small seconds hand through its extended pivot. Correct alignment and precise machining are essential for maintaining low friction, proper amplitude, and accurate timekeeping. Installing a genuine Swiss Watch Movement Part helps preserve the movement’s original mechanical performance while minimizing wear on surrounding components.Supplied in NOS (New Old Stock) condition, this component has never been installed in a watch. It is an excellent choice for collectors, restoration specialists, and professional repair workshops seeking authentic Swiss movement parts manufactured to original specifications.The ETA UNITAS 6325 Fourth Wheel is manufactured specifically for the UNITAS 6325 caliber and corresponds to Part No. 224. This version includes the second hand bit (long pivot) required for movements with a subsidiary seconds display. Before purchasing, compare your original movement caliber and part number to ensure complete compatibility.Professional watchmakers rely on genuine ETA UNITAS 6325 Fourth Wheel components because they provide superior fitment, smooth gear engagement, and reliable long-term durability compared to aftermarket alternatives. Proper installation helps restore accurate seconds indication and efficient power transmission throughout the movement.Whether servicing a collectible vintage watch or performing a complete movement overhaul, this ETA UNITAS 6325 Fourth Wheel offers the precision, reliability, and authenticity expected from genuine Swiss watch components.Technical SpecificationsBrand: ETA / UNITASCaliber: 6325Part Name: Fourth Wheel with Second Hand BitPart Number: 224Movement Type: Manual WindSwiss MadeCondition: NOS (New Old Stock)FeaturesGenuine ETA / UNITAS partPart No. 224Fourth wheel with second hand bitSwiss MadePrecision gear train componentAccurate small seconds driveProfessional watch repair partFactory specificationsHigh-quality constructionExcellent fit and finishIdeal for vintage restorationLong service lifeFunctionThe ETA UNITAS 6325 Fourth Wheel transfers power from the third wheel to the escape wheel while driving the small seconds hand through its integrated second hand bit.Function and PurposeDesigned as a direct replacement for the original ETA UNITAS 6325 Part No. 224, this component restores proper gear train operation and accurate small seconds hand movement while maintaining factory performance.ConstructionManufactured from precision-machined Swiss components with accurately cut gear teeth, polished pivots, and an integrated second hand bit for smooth rotation, reduced friction, and dependable long-term performance.CompatibilityCompatible with:ETA / UNITAS 6325Part No. 224Manual Wind Swiss Watch MovementsPlease verify your original movement caliber and part number before purchasing.Professional UseRecommended for professional watchmakers, restoration specialists, collectors, and repair workshops servicing vintage Swiss mechanical watch movements.Build QualityManufactured to genuine Swiss quality standards for exceptional precision, accurate fitment, smooth gear train operation, and long-lasting durability.Long-Term ReliabilityDesigned to provide consistent power transmission, accurate small seconds operation, and dependable long-term service when professionally installed and properly lubricated.Frequently Asked QuestionsQ: Is this a genuine ETA UNITAS 6325 Fourth Wheel?A: Yes. This is a genuine ETA UNITAS 6325 Fourth Wheel with Second Hand Bit Part No. 224, manufactured specifically for the UNITAS 6325 Swiss manual movement.Q: What is the difference between Part No. 220 and Part No. 224?A: Part 224 includes the second hand bit (long pivot) for driving the small seconds hand, while Part 220 is the version without the extended second hand bit.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.
