SEIKO Original Gehäusedichtung / O-Ring – Referenz OB2290B (NOS) Quarz The crown features the classic

The crown features the classic Citizen "C" logo on the front

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mechanical foundation – combined with a dial made of genuine porcelain

SEIKO Original Gehäusedichtung / O-Ring – Referenz OB2290B (NOS) Quarz The crown features the classicOriginal SEIKO housing gasket (packing gasket) with reference B2290B , supplied in the original SEIKO packaging. This is an unused NOS (New Old Stock) spare part from old stock, manufactured according to the SEIKO factory specifications of the time. This seal was used by SEIKO for classic case designs and is particularly suitable for vintage SEIKO watches of the 1970s and early 1980s that use a flat O ring seal (e. g. snap back or press fit case).