A. Schild (AS) Calibre 1914 Watch Spare Parts: Technical Overview and Sourcing Guide
A. Schild (AS) Calibre 1914 is a vintage Swiss manual-wind mechanical movement, renowned for its durability, precision, and practical features such as sweep seconds, day, and date complications. This movement was primarily produced around the 1940s to 1970 and is celebrated for its reliability and elegant design.
Key Technical Highlights
Calibre: AS 1914
Movement Type: Manual winding, mechanical
Diameter: 26 mm (11.5 lignes)
Height: Approximately 4.60 mm
Jewels: 17 or 21 synthetic ruby jewels
Beat Rate: 21,600 vibrations per hour (3 Hz)
Power Reserve: Approximately 48 hours
Functions: Hours, minutes, sweep seconds, day and date (date set by changing time between 20:00 and 24:00)
Lift Angle: 52°
Shock Protection: Vintage anti-shock system (often Incabloc or equivalent)
Common Spare Parts and Components
Mainspring and Barrel: Key for steady power delivery; original or new-old-stock (NOS) parts ensure proper torque and longevity.
Balance Wheel and Balance Staff: Precision components essential for accurate timekeeping and shock resistance; exact fit is critical.
Pallet Fork and Escape Wheel: Wear-prone escapement parts that require sourcing original or NOS replacements for smooth operation.
Gear Train Wheels (Minute, Third, Fourth): Common replacements due to wear; typically sourced from donor movements or NOS stock.
Setting Mechanism (Stem, Crown, Levers, Springs): Precise fitting parts are vital for smooth winding, time setting, and day/date adjustment; winding stems such as Part No. 401 are compatible.
Jewels: Synthetic ruby bearings arranged to minimize friction; replacements must match the original layout precisely.
Hands and Dial Components: Period-correct parts help maintain vintage authenticity and collector appeal.
Additional Parts: Rocking bar, click, click spring, yoke, setting lever, various screws, cannon pinions with and without clam notch.
Sourcing and Maintenance Tips
Use only original, NOS, or donor parts specifically designated for AS 1914 to guarantee fit and movement integrity.
Handle delicate components such as balance assemblies and escapement parts with care during servicing.
Apply modern synthetic watch lubricants sparingly following vintage lubrication protocols to maintain optimal performance and longevity.
Always confirm the calibre number stamped on the main plate before ordering parts to prevent incompatibility.
Donor AS 1914 movements can be invaluable sources for rare or worn parts.
Why AS 1914 Spare Parts Matter
Authentic components ensure the calibre’s accuracy, reliable manual winding, and proper functioning of day and date complications, critical to dependable vintage watch performance.
Proper restoration with genuine parts preserves the historical significance and collector value of these classic Swiss manual-wind wristwatches.
Detailed technical documentation and an active watchmaker community facilitate efficient parts sourcing and expert servicing.
Maintaining the A. Schild AS 1914 calibre with high-quality, authentic spare parts is essential for preserving the craftsmanship and reliable function of these treasured vintage Swiss watches.
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Stem, Crown, Hands & Spares might be available for this movement.
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