The Seiko Y15W-5B20 is a watch model based on the Y15W movement.
Parts List
| RE4A60JN02 | crystal - crystal |
| 6M30D2SNW1 | crown - crown (3h) |
| 0F260BA1S | case back gasket - case back gasket |
| E0M0AG | band - band |
| E0M0AG-LK00 | band - link |
| H01M11SA11G | clasp - clasp |
| E0M0AG-BK00 | clasp - clasp |
| 1BH032A1BNS | others - hour hand |
| 2BH045A1BNS | others - minute hand |
| 1CH032A1BAC | others - hour hand (upper) |
| 1CH032A1BAE | others - hour hand (upper) |
| 2CH045A1BAC | others - minute hand (upper) |
| 2CH045A1BAE | others - minute hand (upper) |
| 81604259 | others - bracelet fixing pin |
| 81190055 | others - bracelet fixing pipe |
| Y15W5B2001A | others - case |
| 82805940 | others - case ring |
| 0351807 | others - winding stem |
| DB004BAD1 | others - crown and stem gasket |
| E0M0AG-BKPP | others - spring bar for buckle/clasp |
| Y15W1 | others - machine code |
| Y15W5E24XB13 | others - dial |
| Y15W5E24XS13 | others - dial |
| E0M0AG-LKPN | others - pin for link |
| 3BA090F1BA9 | others - second hand |
Other models with the same movement