Description:
Offered here is a vintage Zenith balance wheel and hairspring, supplied in its original Renata/Progress packaging. This part is marked No. 748 for 5¼ ligne Calibre 525, and is a genuine replacement component. An excellent find for watchmakers, collectors, or anyone restoring a Zenith movement.

Key Details:

• Maker: Zenith
• Part: Balance wheel & hairspring
• Calibre: 525
• Size: 5¼ ligne
• Renata/Progress packaging – No. 748

Condition:

• New old stock (NOS), unused part.
• Packaging shows light age-related wear.
• Balance and hairspring appear in excellent condition.

Summary:
A genuine Zenith balance wheel and hairspring for Cal. 525, perfect for repair, spares, or restoration projects. Hard to find in original packaging.

Postage & Shipping:
As usual, this item will be packaged carefully and dispatched with tracking. International shipping is available upon request.