A. Schild (AS) Calibre 5206 Watch Spare Parts: Comprehensive Overview and Sourcing Guide
A. Schild (AS) Calibre 5206 is a Swiss automatic mechanical movement known for its precise timekeeping and versatile complications. This calibre features a sweep seconds hand, quickset day and date functions (with dual language option for the day), and an optional moon phase complication, making it a popular choice for vintage collectors.
Key Technical Specifications
Movement Type: Automatic, mechanical
Diameter: 27.00 mm (12 lignes)
Height: 6.35 mm
Jewels: 17 synthetic ruby jewels
Beat Rate: 21,600 vibrations per hour (3 Hz)
Power Reserve: Approx. 39 hours
Functions: Sweep seconds, quickset day (2 languages), quickset date, optional moon phase
Shock Protection: Incabloc
Balance: Nickel annular balance with clockwise hairspring
Winding System: Rocking bar
Essential Spare Parts
Mainspring and Barrel: Original or New-Old-Stock (NOS) mainsprings are crucial for consistent power transmission and overall movement durability.
Balance Wheel and Staff: Precision parts for accurate timekeeping and shock resistance; authentic replacements ensure optimal performance.
Pallet Fork and Escape Wheel: These wear-prone escapement components require genuine or NOS replacements for smooth operation.
Gear Train Wheels: Minute, third, and fourth wheels are commonly replaced; sourced from NOS or donor movements.
Setting Mechanism: Stems, crowns, levers, and springs must fit precisely to ensure smooth setting and winding operations.
Jewels: Synthetic ruby bearings reduce friction and wear; replacements need to match original specifications.
Hands and Dial Components: Authentic parts are essential for preserving the original look and collector value.
Sourcing and Maintenance Tips
Always use original, NOS, or donor parts specifically designed for AS 5206 to ensure compatibility.
Handle delicate components such as the balance assembly with care during servicing.
Apply synthetic lubricants sparingly, following vintage watch maintenance protocols.
Verify the calibre number on the movement before ordering parts to avoid mismatches.
Donor movements are excellent sources of rare or discontinued parts.
Why Genuine Parts Are Important
Ensures the calibre’s accuracy, longevity, and reliable automatic winding.
Protects the historical integrity and enhances the value of vintage watches.
Supported by extensive technical documentation and watchmaker communities for effective repairs.
Maintaining your A. Schild AS 5206 calibre with authentic spare parts guarantees optimal performance and preserves its horological heritage.
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Stem, Crown, Hands & Spares might be available for this movement.
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