SEIKO Watch Case Holder Tool S-210D w/Attachments Made in Japan. New with tags, slight dust due to time in storage. Each set includes the case-holder plus 12 modular attachments in 6 pairs. Sizes of each pair are:
- 6/4mm
- 7/5mm
- 10/8mm
- 13/10mm
- 17/15mm
- 19/18mm