Seiko NOS Crown 40M23N, Steel – Seiko 5 / 5 Sports DX / 7017 Chronograph – 1 Piece

Original Seiko crown, reference 40M23N, steel version, New Old Stock in original bag (Compartment 65-N, "Japan"). According to Seiko spare part documents, suitable for 5126-8050/-8060 (Seiko 5 Sports DX), 7006-8030, 7009-8018/-8019/-8410, 7019-8010/-8020 as well as 7017-7000 – the latter an automatic chronograph from the 70s family. A versatile original part for the Seiko automatic world of the early 1970s.

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

Note Delivery takes place in the original Seiko spare part bag shown. The crown gasket may be hardened due to age; water resistance is not guaranteed. Installation should be carried out by a watchmaker. Price per piece (1 crown).