Seiko NOS Crown 40M01N, Steel – Seiko LadyMatic (25er) – 1 Piece

Original Seiko crown, reference 40M01N, steel version, New Old Stock in original bag (compartment 51). According to Seiko spare parts documentation, suitable for the LadyMatic with the 25-caliber – Japan's first automatic watch for women (from 1963) and a milestone in Seiko's history. The specific case numbers are not listed in the documentation; please check fit based on crown diameter (4.0 mm) and tube – we are happy to help.

Warranty (used) This is an unused New Old Stock original spare part from old Seiko dealer stock (legally used goods). The warranty is shortened to 12 months in accordance with our terms and conditions.

Note: Delivery includes the original Seiko spare parts bag shown. The crown's gasket may have hardened due to age; water resistance is not guaranteed. Installation should be performed by a watchmaker. Price is per piece (1 crown).