Description: Vintage Watch-Craft 2739W mainspring, manufactured by C. & E. Marshall Co., USA. Made from durable white alloy for non-magnetic, unbreakable, and rustproof performance. Suitable for a range of mid-century Swiss watch movements, including AS653, MST348, MO-730M, GR266, and LA12 calibres.
Material: White alloy – non-magnetic, unbreakable, rustproof
Condition: New old stock (NOS), unused, sealed in original packaging
Condition Note: This is new old stock (NOS) — unused and still sealed in its original packaging. The packaging may show signs of long-term storage, and the mainspring or retaining ring may exhibit minor tarnish or patina from age.
Summary: Genuine Watch-Craft 2739W mainspring by C. & E. Marshall Co., designed for a variety of Swiss movements such as AS, MST, GR, and MO series calibres. Perfect for vintage watch restorations or professional repair work.
Shipping: As usual, this item will be packaged carefully and dispatched with tracking. International shipping is available upon request.
