A. Schild (AS) Calibre 2174 Watch Spare Parts: Technical Overview and Sourcing Guide
A. Schild (AS) Calibre 2174 is a precise Swiss manual winding mechanical movement featuring a day-date complication and a hacking feature. With a size of 25.60 mm diameter and a height of 4.75 mm, this calibre operates at a high beat rate of 28,800 vibrations per hour (4 Hz), offering improved accuracy and reliability. It is widely used in vintage wristwatches and valued for its robustness and efficiency.
Key Technical Highlights
Calibre: AS 2174
Movement Type: Manual winding, mechanical
Diameter: 25.60 mm (11.5 lignes)
Height: 4.75 mm
Jewels: 17 synthetic ruby jewels
Beat Rate: 28,800 vibrations per hour (4 Hz)
Power Reserve: Approximately 50 hours
Functions: Hours, minutes, sweep seconds, day & date, hack feature
Lift Angle: 54°
Common Spare Parts and Components
Mainspring and Barrel: Original or New-Old-Stock (NOS) mainsprings and barrels ensure reliable power delivery and longevity.
Balance Wheel and Balance Staff: Essential for precise timekeeping and shock resistance; compatible replacements required.
Pallet Fork and Escape Wheel: Escapement components that often wear out; use original or NOS parts for reliable function.
Gear Train Wheels: Includes minute, third, and fourth wheels; common replacement parts sourced from NOS stock or donor movements.
Setting Mechanism (Stem, Crown, Levers, Springs): Accurate fitment is vital for smooth winding and calendar adjustments.
Jewels: Synthetic ruby bearings reduce friction; replacement jewels must match original layout.
Hands and Dial Components: Authentic hands and dial parts preserve the vintage character and collector value.
Sourcing and Maintenance Tips
Use only original, NOS, or donor parts specifically manufactured for AS 2174 for compatibility and performance.
Handle delicate parts such as the balance and escapement carefully during servicing.
Apply synthetic oils sparingly as per vintage maintenance standards to ensure longevity.
Verify the calibre number on the movement before ordering parts to avoid mistakes.
Donor AS 2174 movements are excellent sources for hard-to-find components.
Why AS 2174 Spare Parts Matter
Genuine parts maintain the calibre’s accuracy, manual winding reliability, and dependable day-date functions, essential for vintage performance.
Authentic restoration safeguards the historical significance and collector appeal of these Swiss movements.
Detailed technical data and watchmaker communities facilitate effective repairs and sourcing.
Maintaining your A. Schild AS 2174 calibre with quality spare parts ensures dependable operation while honoring its place in Swiss watchmaking.
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Stem, Crown, Hands & Spares might be available for this movement.
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