The Seiko 3Y02-0A50 is a watch model based on the 3Y02 movement.
Parts List
| 200W26LN01 | crystal - crystal |
| 200W26LN | crystal |
| 30MB6NA1 | crown |
| 0A1900B01 | case back gasket - gasket |
| EG0035B0A | case back gasket |
| 86580100 | crystal gasket - plastic gasket for crystal |
| 86179140 | bezel gasket - plastic gasket for bezel |
| BJJ68K | band - leather band |
| ZJJ28K | band - leather band |
| BJJ62K | band |
| BJA52K | band |
| 08SC16AG | others - second hand |
| 0351546 | others - winding stem |
| 0801754 | others - date dial |
| 0801799 | others - date dial |
| 0801807 | others - date dial |
| 3Y020A50 | others - case back |
| 3Y020A5075Z | others - case |
| 3Y020B08XB14 | others - dial |
| 3Y020B08XG14 | others - dial |
| 3Y020B28XS19 | others - dial |
| 3Y020B78XS19 | others - dial |
| 3Y026 | others - machine code |
| 82350661 | others - bezel |
| 82804080 | others - case ring |
| A130BS | others - push pin |
| EZ0035B01 | others - crown and stem gasket |
| 12SC36TG | others - second hand |
| 08T20A1M | others - minute hand |
| 08TE4NAM | others - minute hand |
| 08T20A1H | others - hour hand |
| 08TE4NAH | others - hour hand |
| 200W26LN01 | crystal - crystal |
| 200W26LN | crystal |
| 30MB6NA1 | crown |
| 0A1900B01 | case back gasket - gasket |
| EG0035B0A | case back gasket |
| 86580100 | crystal gasket - plastic gasket for crystal |
| 86179140 | bezel gasket - plastic gasket for bezel |
| BJJ68K | band - leather band |
| ZJJ28K | band - leather band |
| BJJ62K | band |
| BJA52K | band |
| 08SC16AG | others - second hand |
| 0351546 | others - winding stem |
| 0801754 | others - date dial |
| 0801799 | others - date dial |
| 0801807 | others - date dial |
| 3Y020A50 | others - case back |
| 3Y020A5075Z | others - case |
| 3Y020B08XB14 | others - dial |
| 3Y020B08XG14 | others - dial |
| 3Y020B28XS19 | others - dial |
| 3Y020B78XS19 | others - dial |
| 3Y026 | others - machine code |
| 82350661 | others - bezel |
| 82804080 | others - case ring |
| A130BS | others - push pin |
| EZ0035B01 | others - crown and stem gasket |
| 12SC36TG | others - second hand |
| 08T20A1M | others - minute hand |
| 08TE4NAM | others - minute hand |
| 08T20A1H | others - hour hand |
| 08TE4NAH | others - hour hand |