Description: Genuine vintage Altrax mainspring No. 149, Swiss Made and supplied in its original case. A high-quality unbreakable and non-deforming mainspring designed for smaller manual-wind wristwatch movements.
Listing is for one mainspring only. Where multiples are available, some orders may not include the original outer packaging.
Specifications:
Type: Unbreakable mainspring
Reference: No. 149
Height: 1.35 mm
Thickness (strength): 0.081 mm
Barrel diameter: 7.5 mm
Material: Tempered unbreakable steel
Brand: Altrax
Country of manufacture: Switzerland
Condition:
New old stock (NOS) – unused and in original case.
Packaging shows light age-related wear.
Summary: A genuine Swiss-made Altrax mainspring No. 149, offering excellent strength and reliability for small manual-wind watch movements. Perfect for watchmakers, restorers, and collectors of vintage Swiss components.
Postage & Shipping: As usual, this item will be packaged carefully and dispatched with tracking. International shipping is available upon request.
