Rigid metal modern Seiko movement holder (watch maker application).

Suitable for SII or Seiko movement (with plastic movement spacer) :
NH25, NH26, NH35, NH36, NH37, NH38, NH39, NH70, 7S25, 7S26, 4R35, 4R36, 4R37, 4R39, 6R15

Brass movement holder [they will patina over time]

Weight : 32 - 33 grams

Brass movement holder – Usd 28