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).
