The Seiko 6R20-00C0 is a watch model based on the 6R20 movement.
Parts List
| 320P02SN02 | crystal - crystal (sapphire) |
| 260P03LN02 | crystal - crystal (inorganic) |
| 9K65A7SNS0 | crown - crown (3h) |
| FE328BAD2 | case back gasket - case back gasket |
| DH0100B01 | case back gasket - crown and stem gasket (4h) |
| 86566880 | crystal gasket - plastic gasket for crystal |
| 86583220 | bezel gasket - plastic gasket for bezel |
| D3G6AG-LK00 | band - link |
| D3G6AG | band - metal band |
| D3G6AG-BK00 | clasp - clasp |
| 1FA090LDBCM | hand - hour hand |
| 2FA135LBBCM | hand - minute hand |
| 3BX150F1BNS | hand - second hand |
| 3BA037ABBNS | others - small hand(3h) |
| 3BA055AABNS | others - small hand (9h) |
| D3G6AG-LKPN | others - pin for link |
| S200BS | others - push pin |
| D3G6AG-BKPP | others - spring bar for buckle/clasp |
| D3G6AG-EP00 | others - endpiece |
| 6R2000C0 | others - case back |
| 6R2000C001A | others - case |
| 6R2000C002A | others - case |
| 6R2000E0XB13 | others - dial |
| 6R2000E0XR13 | others - dial |
| 6R2020 | others - machine code |
| 82319551 | others - bezel |
| 82319559 | others - bezel |
| 82847535 | others - case ring |
| 0351200 | others - winding stem |
| 86177531 | others - crystal plastic gasket |
| 89927159 | others - casing spring |
Caliber 6R20
Other models with the same movement
| 6R20-00A0 |
| 6R20-00B0 |
| 6R20-00E0 |
| 6R20-00F0 |
| 6R20-00G0 |
| 6R20-00H0 |