A Schild – AS Calibre 1323 Watch spare parts

A Schild AS Calibre 1323 Watch Movements
A Schild AS Calibre 1323 Watch Movements
A Schild AS Calibre 1323 Watch spare parts
A Schild AS Calibre 1323 Watch spare parts
A Schild AS Calibre 1323 Watch spare parts
A Schild AS Calibre 1323 Watch spare parts

A. Schild (AS) Calibre 1323 Watch Spare Parts: Technical Overview and Sourcing Guide

A. Schild (AS) Calibre 1323 is a vintage Swiss manual-wind mechanical movement prized for its compact size, reliable construction, and sweeping central seconds function. It remains a popular choice among collectors and watchmakers specializing in mid-20th-century wristwatch restoration.
Key Technical Highlights

Calibre: AS 1323

Movement Type: Manual wind, mechanical

Diameter: Approximately 20.7 mm (about 9.25 lignes)

Height: 5.3 mm

Jewels: 17 synthetic ruby jewels

Beat Rate: 18,000 vibrations per hour (vph)

Power Reserve: Around 39 hours

Functions: Hours, minutes, sweep central seconds

Shock Protection: Present in many versions, generally basic

Common Spare Parts and Service Needs

Mainspring and Barrel: Fatigue or breakage requires mainspring replacements matching the original 20.7 mm diameter for consistent power delivery.

Balance Wheel and Balance Staff: Critical for accuracy; these delicate parts often need replacement to match exact dimensions and shock protection type.

Pallet Fork and Escape Wheel: Escapement components that wear over time; original or new-old-stock (NOS) parts ensure reliable operation.

Wheels (Minute, Third, Fourth): Common wear on pivots and teeth; donor movements or specialized spares are typical sources.

Setting Mechanism (Stem, Crown, Levers, Springs): Essential for winding and time setting; need precise fitting to AS 1323’s compact design.

Jewels: Synthetic ruby bearings must match original count and placement for smooth gear train operation.

Hands and Dial: Period-correct hands, especially sweep seconds, and dials preserve watch authenticity; often sourced from vintage parts dealers.

Ratchet Wheel: Sometimes found as NOS specifically for AS 1323 models.

Sourcing and Maintenance Tips

Prefer original, NOS, or donor parts labeled for AS 1323 to ensure compatibility and authenticity.

Handle carefully during servicing due to limited shock protection and delicate components.

Use modern synthetic watch oils sparingly, respecting vintage lubrication standards.

Confirm the calibre number stamped on the main plate before ordering parts to ensure compatibility.

Why AS 1323 Spare Parts Matter

Using authentic parts maintains the movement’s historical reliability and precise timekeeping.

Proper restoration preserves both vintage market value and collector appeal.

The AS 1323 is well-documented, facilitating sourcing and technical support for repairs.

Sourcing quality spare parts is essential to keep the A. Schild AS 1323 running reliably and authentically, preserving its legacy as a classic Swiss manual-wind watch movement.