The AS 5103 Swiss automatic movement is a mechanical watch movement designed for wrist watches requiring reliable automatic timekeeping combined with a date function. This movement features a 3-hand configuration, 21 jewels, and a white date disk positioned at 3 o’clock, making it suitable for a wide range of classic and standard automatic watch designs.The as 5103 swiss automatic movement operates using a self-winding mechanical system. Energy is generated through the oscillating rotor during wrist movement and transferred to the mainspring, which powers the gear train and escapement system. This allows the movement to function continuously without the need for a battery.The movement is built to provide stable mechanical performance and consistent timekeeping. Automatic movements like this are commonly used in watches where reliability and long-term operation are required without electronic components.The inclusion of 21 jewels reduces friction between internal moving parts. This improves efficiency, supports smoother transmission of power, and helps extend the service life of the movement. The jewel system is essential for maintaining stable operation under continuous use.◼️ AS 5103 Swiss Automatic Movement FunctionThe as 5103 swiss automatic movement is designed to provide accurate mechanical timekeeping together with automatic winding and date indication.It supports:Hour displayMinute displayCentral secondsDate displayAutomatic winding systemThe rotor continuously winds the mainspring during normal wear. This maintains energy inside the movement and allows uninterrupted operation.Power is transferred from the mainspring through the gear train to the escapement, which regulates the release of energy and controls timekeeping accuracy.◼️ AS 5103 Swiss Automatic Movement Date SystemThe as 5103 swiss automatic movement features a white date disk at 3 o’clock, which is a standard configuration used in many automatic watches.The date advances automatically through the internal calendar mechanism and is synchronized with the movement’s timekeeping system.Correct date position is critical when replacing the movement. The date disk must align precisely with the dial window to maintain the original appearance of the watch.The white date disk provides clear readability and is compatible with a wide range of dial designs.◼️ AS 5103 Swiss Automatic Movement ConstructionThe as 5103 swiss automatic movement follows traditional Swiss automatic movement construction.It includes:Oscillating rotorMainspring barrelGear trainEscapement systemCalendar mechanismEach component works together to provide stable mechanical operation. The movement is designed for durability and serviceability.The jewel system supports reduced wear and improves long-term stability of the movement.◼️ AS 5103 Swiss Automatic Movement Use in RepairThe as 5103 swiss automatic movement is commonly used in professional watch repair and servicing.It is suitable for:Movement replacementWatch repairAutomatic servicingRestoration projectsBefore installation, it is necessary to verify:Movement dimensionsStem positionHand sizesDate alignmentDial compatibilityProper verification ensures correct installation and prevents fitting issues.◼️ AS 5103 Swiss Automatic Movement ReliabilityThe as 5103 swiss automatic movement provides reliable mechanical performance when properly maintained.The automatic winding system ensures continuous energy supply during daily wear. Regular servicing, cleaning, and lubrication are required to maintain accuracy and extend the movement’s service life.Swiss construction standards support consistent performance and dependable long-term operation.The movement is suitable for watches requiring automatic functionality and date display with stable mechanical operation.◼️ Shipping & DeliveryWATCH HOUSE offers worldwide shipping using trusted carriers such as DHL and UPS to ensure safe and reliable delivery. Orders are processed within 1–2 business days after confirmation, with typical delivery times of 3–7 business days depending on the destination. All items are carefully packed to ensure they arrive safely and in perfect condition.�� Phone & WhatsApp: 20 122 323 9604�� [email protected]�� [email protected]�� www.swisswh.com�� https://www.facebook.com/WatchHouseSpareParts