A. Schild (AS) Calibre 530.821 Watch Spare Parts: Overview and Sourcing Guide
The A. Schild (AS) Calibre 530.821 is a Swiss manual winding mechanical movement recognized for its precision and reliability within the vintage watch community. Operating at 21,600 vibrations per hour (3 Hz), this calibre features a sweep seconds function and an adjustable stud holder, making it ideal for restoring vintage timepieces.
Key Technical Highlights
Calibre: AS 530.821
Movement Type: Mechanical, manual winding
Beat Rate: 21,600 vibrations per hour (3 Hz)
Functions: Sweep seconds, adjustable stud holder
Jewels: 17 synthetic ruby jewels
Common Spare Parts and Components
Mainspring and Barrel: Genuine or New-Old-Stock (NOS) mainsprings are essential for consistent power delivery and durability.
Balance Wheel and Balance Staff: Critical components that influence accuracy and shock resistance; authentic replacements recommended.
Pallet Fork and Escape Wheel: Escapement components frequently replaced to ensure smooth operation.
Gear Train Wheels: Minute, third, and fourth wheel components sourced from NOS or donor movements.
Setting Mechanism (Stem, Crown, Levers, Springs): Accurate fitting parts are vital for seamless winding and time adjustment.
Jewels: Synthetic ruby bearings designed to reduce friction; replacements must fit original configuration.
Split Winding Stem Male: Specialized winding stems for AS calibre 530 series, including 530.821, to guarantee proper fit and function.
Hands and Dial Components: Original or period-correct parts help maintain historical integrity and collector value.
Sourcing and Maintenance Tips
Always source original, NOS, or donor parts tailored for AS 530.821 to ensure perfect compatibility and durability.
Handle delicate components such as the balance and escapement carefully during repairs.
Apply synthetic lubricants sparingly, following established vintage watch maintenance guidelines.
Verify the calibre number engraved on the movement prior to ordering parts.
Donor movements serve as excellent sources for rare or discontinued components.
Importance of Genuine Spare Parts
Authentic parts maintain the calibre’s accuracy, longevity, and smooth mechanical operation, essential for reliable vintage watch use.
Proper restoration preserves the historical value and enhances collector appeal.
Supported by comprehensive documentation and expert watchmaker communities, parts sourcing and repairs are streamlined.
Maintaining your A. Schild AS 530.821 calibre with authentic spare parts helps ensure its reliable performance and honors its Swiss watchmaking heritage.
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Stem, Crown, Hands & Spares might be available for this movement.
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