ETA 2878 Swiss Automatic Movement-3 Hands-White Day& Date Disk At 3-H:7.31mm.

ETA 2878 automatic movement is a Swiss Made automatic watch movement designed for reliable mechanical timekeeping and full calendar functionality. This version features central hour, minute, and sweep second hands together with a white day and date display positioned at 3 o’clock, making it suitable for watches originally manufactured with this configuration.The eta 2878 automatic movement is part of the well-known ETA 28xx family, a group of Swiss automatic calibers widely used in vintage and modern watches. The movement is recognized for its durability, serviceability, and stable performance, making it a popular choice among professional watchmakers and collectors.With a diameter of approximately 25.60mm (11½”’) and a height of 7.31mm, this movement is designed to accommodate both day and date mechanisms while maintaining strong mechanical performance. The slightly thicker profile allows space for the additional calendar components and ensures reliable operation.The eta 2878 automatic movement operates through an automatic rotor system that converts wrist movement into stored energy within the mainspring. As the wearer moves, the rotor winds the movement continuously, helping maintain power reserve. The movement also supports manual winding through the crown for additional convenience.◼️ ETA 2878 Automatic Movement FunctionThe eta 2878 automatic movement is designed to provide dependable mechanical operation and calendar functionality.Its primary functions include:Displaying hours, minutes, and sweep secondsOperating the day displayOperating the date displayAutomatic winding through rotor movementManual winding capabilityThe movement ensures synchronization between timekeeping and calendar systems for accurate daily operation.◼️ Day & Date At 3 O’ClockA key feature of this eta 2878 automatic movement is the combined day and date display at 3 o’clock.This configuration provides:Traditional Swiss day-date layoutClear and readable calendar displayBalanced dial designAutomatic daily advancementClassic watch appearanceThe white day and date disks offer excellent contrast and visibility.Maintaining the correct configuration is essential for proper alignment and restoration accuracy.◼️ ETA 2878 Movement ConstructionThe eta 2878 automatic movement is built using robust mechanical components designed for durability.Main components include:Automatic rotor systemMainspring and barrelGear train assemblyEscapement mechanismBalance wheel systemDay-date calendar mechanismMotion work componentsThe movement contains 25 jewels, helping reduce friction and improve long-term reliability.Its solid construction allows it to perform reliably under regular use when properly serviced.◼️ ETA 2878 Use In RepairThe eta 2878 automatic movement is commonly used in:Vintage watch restorationAutomatic watch repairMovement replacementService center workCollector projectsWatchmakers often use this caliber when restoring original watches or replacing damaged movements.Before installation, it is recommended to verify:Caliber number (ETA 2878)Day-date configurationHand compatibilityDial compatibilityCase dimensionsProper verification ensures successful installation and reliable operation.◼️ Technical SpecificationsThe eta 2878 automatic movement features:Caliber: ETA 2878Movement Type: AutomaticDiameter: 25.60mm (11½”’)Height: 7.31mmJewels: 25Display: Hours, Minutes, SecondsDay Display: YesDate Display: YesCalendar Position: 3 O’ClockDay & Date Color: WhiteSwiss Made: YesThese specifications should always be verified before replacement.◼️ Performance and ReliabilityThe eta 2878 automatic movement is known for its strong performance and long service life.When properly installed and serviced, it provides:Reliable automatic windingStable timekeepingSmooth calendar operationConsistent power deliveryLong-term durabilityIts proven ETA engineering and widespread use make it a trusted choice for professional watchmakers and restoration specialists.For repair and restoration projects, the eta 2878 automatic movement remains a dependable solution for maintaining original watch functionality.◼️ Shipping & DeliveryPhone & WhatsApp: 20 122 323 9604Email: [email protected] Email: [email protected]Website: www.swisswh.comFacebook: https://www.facebook.com/WatchHouseSpareParts