5R21, MIYOTA VERK
- Storlek: 3 3/4 linjer eller 9.0 x 13.2 mm
- Tjocklek: 1.90 mm
- 2 visare
- Batteri 337
- Visarmått 0,40/0,80 mm.
- 0 Jewels
- S-axel: 065-413, gänga 0,70mm
http://www.citizen.co.jp/miyota_mvt/download/pdf/spec_5R21_5R32.pdf
http://www.citizen.co.jp/miyota_mvt/download/pdf/spec_5R21_5R32.pdf