The Seiko 6R20-00B0 is a watch model based on the 6R20 movement.
Parts List
| 330P19S20A | crystal - crystal (sapphire) |
| 260PZ7SN02 | crystal - crystal (sapphire) |
| 9K55B1STS0 | crown - crown (3h) |
| FE338BAD4 | case back gasket - case back gasket |
| DH0100B01 | case back gasket - crown and stem gasket (4h) |
| 86622250 | crystal gasket - plastic gasket for crystal |
| 86583460 | bezel gasket - plastic gasket for bezel |
| D3A6AG | band - metal band |
| DG32AB | band - leather band |
| DFZ9AW | band - band |
| D3A6AG-BK00 | clasp - clasp |
| 1FE100LBBCJ | others - hour hand |
| 1FE100LBBDG | others - hour hand |
| 1FE100LBBDS | others - hour hand |
| 1FG100LABDP | others - hour hand |
| 2FE140LCBCJ | others - minute hand |
| 2FE140LCBDG | others - minute hand |
| 2FE140LCBDS | others - minute hand |
| 2FG140LABDP | others - minute hand |
| 3BA037ABBNG | others - small hand(3h) |
| 3BA037ABBNS | others - small hand(3h) |
| 3BA037ACBNP | others - small hand(3h) |
| 3BA055AABNG | others - small hand (9h) |
| 3BA055AABNS | others - small hand (9h) |
| 3BA055ABBNP | others - small hand (9h) |
| 3EA145AABDG | others - second hand |
| 3EA145AABDP | others - second hand |
| 3EA145AABDS | others - second hand |
| 6R2000B0 | others - case back |
| 6R2000B001A | others - case |
| 6R2000B002A | others - case |
| 82319275 | others - bezel |
| 82319279 | others - bezel |
| 82847355 | others - case ring |
| 0351200 | others - winding stem |
| 89927159 | others - casing spring |
| 86622330 | others - crystal plastic gasket |
| D3A6AG-BKPN | others - pin for buckle/clasp |
| D3A6AG-BKPP | others - spring bar for buckle/clasp |
| D3A6AG-LKPN | others - pin for link |
| S190BS | others - push pin |
| 6R2000C0XB13 | others - dial |
| 6R2000C0XG14 | others - dial |
| 6R2000C0XS13 | others - dial |
| 6R2000D0XY19 | others - dial |
| 6R2020 | others - machine code |
Caliber 6R20
Other models with the same movement
| 6R20-00A0 |
| 6R20-00C0 |
| 6R20-00E0 |
| 6R20-00F0 |
| 6R20-00G0 |
| 6R20-00H0 |