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namewinding stems
manufactureSeiko
calibrePC20
part No.354-122
thread Ø0.90 mm
replaceabilityPC21,VH21
item No.9840354122
namewinding stems
manufactureSeiko
calibrePC20
part No.354-122
thread Ø0.90 mm
replaceabilityPC21,VH21
item No.9840354122