New Old Stock (NOS) German-Made Mainspring – Hole End (19.4 × 0.4 × 1600 mm)

High-quality New Old Stock mainspring manufactured in Germany, designed for mechanical clock movements. Made from hardened spring steel to original factory specifications, this mainspring provides smooth, consistent power delivery and long-term reliability.

This is unused old stock, ideal for professional clockmakers, restorers, and collectors seeking authentic replacement parts. The hole-end design ensures secure attachment to the winding arbor, making it suitable for a wide range of traditional German and European clock movements.

Specifications:

• Condition: New Old Stock (unused)

• Origin: Germany

• Type: Mainspring – Hole End

• Width: 19.4 mm

• Thickness: 0.4 mm

• Length: 1600 mm

• Material: Hardened spring steel

Suitable for:
Mechanical clocks, including many German and European movements (please verify dimensions before purchase).