You can confirm the order by making a PayPal payment. My account email address is [email protected]
Watch Parts Enquiry
* If you are unable to fill out any of the required information fields, please type “N/A”.
Stem, Crown, Hands & Spares might be available for this movement.
Email us for rate and availability: [email protected]
Mobile/WhatsApp: +91- 9841 360 340
A. Schild (AS) Calibre 1298N Watch Spare Parts: Technical Overview and Sourcing Guide
A. Schild (AS) Calibre 1298N is a vintage Swiss automatic mechanical movement, part of the trusted AS family known for robust construction and reliable performance in mid-20th-century wristwatches. This movement is appreciated for its durable automatic winding and accurate timekeeping, making it popular among collectors and watchmakers restoring classic Swiss timepieces.
Key Technical Highlights
Calibre: AS 1298N
Movement Type: Automatic winding mechanical
Diameter: Approximately 27.64 mm (12.25 lignes)
Jewels: 17 synthetic ruby jewels
Beat Rate: 18,000 vibrations per hour (vph)
Power Reserve: Around 36 hours
Functions: Hours, minutes, sweeping seconds, automatic rotor winding
Era of Use: Approximately from 1946 onwards
Hands Size: Around 1.30 x 0.90 mm
Common Spare Parts and Service Components
Mainspring and Barrel: Essential for consistent power storage and transmission; frequent replacement due to fatigue or breakage given the movement’s age.
Balance Wheel and Staff: Key for the precision of timekeeping; replacement needed if damaged, matched carefully to the movement’s specifications.
Rotor Assembly: Vital for the automatic winding function; worn bearings or a damaged rotor axle can impact winding efficiency.
Pallet Fork and Escape Wheel: Regular maintenance items prone to wear; authentic or compatible parts ensure smooth escapement function.
Wheels (Minute, Third, Fourth): Replaceable parts that suffer from wear and require sourcing from donor movements or new-old-stock (NOS).
Setting Mechanism (Stem, Crown, Setting Lever): Important for reliable manual winding and time setting; replacement parts must fit precisely.
Jewels: Synthetic ruby bearings that reduce friction; replacements must match original type and positioning.
Hands and Dial Components: Period-accurate or refurbished parts maintain the movement’s visual authenticity in restoration.
Sourcing and Maintenance Tips
Original or NOS Parts: Seek parts explicitly marked or designed for the AS 1298/1298N to ensure compatibility and maintain movement integrity.
Donor Movements: Salvaged AS 1298 movements or closely related calibres are invaluable for sourcing rare components.
Careful Handling: Components such as the rotor and balance assembly require expert handling given their delicate nature.
Lubrication: Use modern synthetic oils sparingly following vintage watch servicing norms to protect the movement.
Identification: The calibre number is typically stamped on the main plate or near the balance cock, essential to verify before parts ordering.
Why AS 1298N Spare Parts Matter
Durability and Reliability: Maintaining the movement with authentic spare parts preserves the hallmark precision and robustness of AS calibres.
Collector and Restoration Appeal: Properly restored watches retain historical accuracy and operational authenticity, highly valued by collectors.
Watchmaker Familiarity: The AS 1298N is a known classic in the vintage watch servicing community, facilitating sourcing and repairs.
A. Schild AS 1298N remains a solid example of mid-20th century Swiss automatic watch engineering, with appropriate spare parts crucial to sustaining its functionality and longevity in vintage watch restoration.