Description: Vintage Watch-Craft 4177W mainspring in sealed original packaging by C. & E. Marshall Co. Made from white alloy, non-magnetic, rustproof and unbreakable. These quality American-made mainsprings were widely used for 12-size pocket watch movements and similar applications.
Material: White alloy, non-magnetic, unbreakable, rustproof
Condition: New old stock (NOS), sealed in original Marshall Permatex packaging
Condition Note: This is new old stock (NOS) — unused and still in its original packaging. Packaging may show signs of long-term storage, and the mainspring or retaining ring may exhibit minor tarnish or age-related discolouration.
Summary: A genuine vintage Watch-Craft mainspring — ideal for collectors, repairers, and restorers of 12-size pocket watches. Reliable quality from one of the best-known watch part suppliers of the 20th century.
Shipping: As usual, this item will be packaged carefully and dispatched with tracking. International shipping is available upon request.