Balance Wheel & Hairspring – Progress No. 50M for AS 1240 Inca

Balance Wheel & Hairspring – Progress No. 50M for AS 1240 Inca

Description:
A vintage Progress balance wheel and hairspring, No. 50M, for AS 1240 movements with Incabloc shock protection. Supplied in its original red Progress case.

Key Details:

• Maker: Progress

• Part: Balance Wheel & Hairspring

• Reference: No. 50M

• For: AS 1240 Inca

• Condition: Appears unused in original case

Postage & Shipping:
As usual, this item will be packaged carefully and dispatched with tracking. International shipping is available through the eBay Global Shipping Programme (GSP).