Vintage Dolphin Mainspring – 2.00 mm × 0.20 mm × 210 mm – Unbreakable Swiss Made

Description:
Genuine vintage Dolphin mainspring, Swiss-made and supplied in its original decorative packet with the twin-dolphin logo and wax sleeve. Made from high-grade unbreakable steel, these springs were precision-tempered for durability and consistency.

Specifications:

• Type: Unbreakable mainspring
• Height: 2.00 mm
• Thickness (strength): 0.20 mm
• Length: 210 mm
• Brand: Dolphin
• Material: Tempered steel
• Country of manufacture: Switzerland

Condition:

• New old stock (unused)
• Includes original packet and inner wax sleeve (“Made in Switzerland”)

Summary:
A fine-quality Swiss mainspring from Dolphin, ideal for servicing or restoring vintage mechanical wristwatches.

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