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A. Schild (AS) Calibre 1595 Watch Spare Parts: Technical Overview and Sourcing Guide
A. Schild (AS) Calibre 1595 is a vintage Swiss manual-wind mechanical movement, highly regarded for its reliable construction, classic design, and useful features. Produced since at least 1957, it features a small seconds subdial at 6 o’clock and a date window at 3 o’clock, making it popular with collectors and watchmakers restoring mid-20th-century wristwatches.
Key Technical Highlights
Calibre: AS 1595
Movement Type: Manual winding, mechanical
Diameter: Approximately 29.0 – 29.4 mm (13 lignes)
Height: 4.10 mm
Jewels: 17 or 21 synthetic ruby jewels
Beat Rate: 18,000 vibrations per hour (vph)
Lift Angle: 52 degrees
Power Reserve: Around 37–40 hours
Functions: Hours, minutes, small seconds at 6:00, date window at 3:00
Shock Protection: Typically Incabloc or similar Swiss anti-shock device
Escapement: Swiss lever
Common Spare Parts and Service Needs
Mainspring and Barrel: Ensures consistent power delivery; exact replacements essential for torque and durability.
Balance Wheel and Balance Staff: Critical, delicate parts requiring exact fitting and compatible shock protection.
Pallet Fork and Escape Wheel: Wear-prone escapement components; original or high-quality new-old-stock (NOS) parts recommended.
Gear Train Wheels (Minute, Third, Fourth): Subject to wear or pivot damage; typically sourced from donor movements or NOS stock.
Setting Mechanism (Stem, Crown, Levers, Springs): Must fit precisely for reliable winding, time, and date setting.
Jewels: Synthetic ruby bearings positioned to minimize friction; replacements must match original placement and count.
Hands and Dial: Period-correct or original parts preserve vintage authenticity and collector appeal.
Sourcing and Maintenance Tips
Prioritize original, NOS, or donor parts explicitly marked for AS 1595 to ensure compatibility and maintain movement integrity.
Handle fragile components, especially balance wheel and escapement, with care during servicing.
Apply modern synthetic watch oils sparingly, following vintage lubrication standards for optimal longevity.
Always verify the calibre number stamped on the main plate before ordering parts to avoid mismatches.
Why AS 1595 Spare Parts Matter
Authentic parts preserve the calibre’s accuracy, reliability, and vintage character vital for proper function and collector value.
Proper servicing with genuine components supports mechanical longevity and aesthetic authenticity of restored timepieces.
The AS 1595’s well-documented specs facilitate easier sourcing and expert repair support.
Maintaining the A. Schild AS 1595 calibre with quality spare parts is essential to keep these classic Swiss manual-wind watches running reliably and preserving their respected heritage.