The Seiko 2Y00-0A90 is a watch model based on the 2Y00 movement.
Parts List
| 190N20GN00 | crystal - crystal (inorganic) |
| 190N24GN | crystal |
| 190N24GN00 | crystal |
| 30MF6NA8 | crown |
| 30MF6NA4 | crown - crown |
| 30M98NA1 | crown |
| 30MF6NS7 | crown |
| 0H1720N01 | case back gasket - case back gasket |
| 0H1720N0 | case back gasket |
| DZ0041B0 | case back gasket |
| ZJZ14G | band - leather band |
| ZJZ14G-0 | band - link |
| Z5304G | band - metal band |
| ZJJ12G | band - leather band |
| ZJJ13G | band - leather band |
| ZJZ12S | band - leather band |
| ZJZ13G | band - leather band |
| ZJZ13G-0 | band - link |
| 07Y14ASH | hand - hour hand |
| 08Y22ASM | hand - minute hand |
| A130AS | others - push pin (for lb) |
| ZJZ14G-EPG | others - endpiece |
| 82734640 | others - case ring |
| ZJZ13G-EPG | others - endpiece |
| 2Y000A90 | others - case back |
| 2Y000A9025 | others - case |
| 2Y000A9025A | others - case |
| 2Y000A9025B | others - case |
| 2Y000A902E | others - case |
| 2Y000A902N | others - case |
| 2Y000H80XG14 | others - dial |
| 2Y000H80XS14 | others - dial |
| 2Y000H80XS24 | others - dial |
| 2Y001G90XS19 | others - dial |
| 2Y001H00XS19 | others - dial |
| 2Y001H00XS29 | others - dial |
| 2Y009 | others - machine code |
| 0351236 | others - winding stem |
| 08Y16FGH | others - hour hand |
| 08Y16FGM | others - minute hand |
| DZ0041B01 | others - crown and stem gasket |
| 07Y14FBH | others - hour hand |
| 08Y22AGM | others - minute hand |
Caliber 2Y00
