Seiko Crowns, water-resistant with gasket on the neck of the crown, Japanese shape Shape: 811 - drilled hole 1.10 Products nameVersionshapedimensionsbarrelcolouradditionitem No.crownJapan stlyeSEIKO 5M04NA12.5x0.61.10yellowLength 3.35mm98425M04NA1crownJapan stlyeSEIKO 98430M98NA13.0x0.61.10yellowLength 3.25mm98430M98NA1crownJapan stlyeSEIKO 30MA2NA13.0x0.61.10yellowLength 3.45mm98430MA2NA1crownJapan stlyeSEIKO 30M98NS13.0x0.61.10steelLength 3.25mm98430M98NS1crownJapan stlyeSEIKO 32M29NS13.2x0.61.10steelLength 3.25mm98432M29NS1