SEIKO Original Gehäusedichtung / O-Ring – Referenz OB2290B (NOS) Quarz The altimeter (altitude gauge) and

The altimeter (altitude gauge) and barometer (air pressure gauge) make this watch a true outdoor tool

the home of the renowned Fukushima Watch Company

a technically sophisticated hybrid model with solar charging

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Inspired by the allure of a blood moon and the mysterious atmosphere of a total lunar eclipse

SEIKO Original Gehäusedichtung / O-Ring – Referenz OB2290B (NOS) Quarz The altimeter (altitude gauge) andOriginal 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).