Nano Universe Special Editions

https://www.seikowatches.com/jp-ja/p...ection/scxp155
https://www.seikowatches.com/jp-ja/p...ection/scxp157
https://www.seikowatches.com/jp-ja/p...ection/scxp158
https://www.seikowatches.com/jp-ja/p...ection/scxp159

And a few LE variants

https://www.seikowatches.com/jp-ja/p...ection/scxp161
https://www.seikowatches.com/jp-ja/p...ection/scxp163
https://www.seikowatches.com/jp-ja/p...ection/scxp165