The Seiko 4J27-0010 is a watch model based on the 4J27 movement.
Parts List
| 210N61AA00 | crystal - crystal |
| 210N61AA | crystal |
| 6M40A7NNG0 | crown - crown |
| 6M40A7SNW0 | crown - crown |
| 6M40A7NN | crown |
| 6M40A7SN | crown |
| 0B1970B01 | case back gasket - case back gasket |
| 0E210BA9 | case back gasket |
| 0E210BA91 | crystal gasket - crystal gasket |
| EZ200BAA3 | bezel gasket - bezel gasket |
| D0M6AB | band - band |
| 4KZ9AB | band - leather band |
| 4KZ9BB | band - leather band |
| BKJ08G | band - band |
| BKA06S | band - band |
| 4KZ7AB | band - leather band |
| 4KZ7HB | band - leather band |
| BKJ08G-LB | band - leather without buckle |
| D0M6AB-LK00 | band - link |
| BKJ08G-PB1 | clasp - parts for buckle |
| D0M6AB-BK00 | clasp - clasp |
| BKJ08G-BK1G | clasp - buckle |
| 08E05E1H | others - hour hand |
| 08E05E1M | others - minute hand |
| 0351405 | others - winding stem |
| 83315679 | others - bezel |
| 82703431 | others - case ring |
| 83315675 | others - bezel |
| EB0055B01 | others - crown and stem gasket |
| 4J27001011A | others - case |
| 4J270010 | others - case back |
| 4J27001011B | others - case |
| 0866795 | others - holding ring for dial |
| 4J270010XG14 | others - dial |
| 4J270010XL13 | others - dial |
| 4J270012XG14 | others - dial |
| 4J270012XL13 | others - dial |
| 4J274 | others - machine code |
| 81503579 | others - screw |
| A140BS | others - push pin |
| E120BS | others - push pin |
| G120BS | others - push pin |
| 4J270010EGA | others - case |
| 4J270010EGB | others - case |
| 08E05E3M | others - minute hand |
| 08E05E3H | others - hour hand |