The Seiko 8C23-6059 is a watch model based on the 8C23 movement.
Parts List
| 275W03LN00 | crystal |
| 275P05LN03 | crystal - crystal (inorganic) |
| 35M81NA1 | crown |
| 35M97NA1 | crown |
| 35M97NS1 | crown |
| 0F220BAA1 | case back gasket - case back gasket |
| OF220BAA1 | case back gasket |
| 86564730 | crystal gasket - plastic gasket for crystal |
| 86569910 | bezel gasket - plastic gasket for bezel |
| B1339C | band - metal band |
| B1339C-LKG | band - link |
| B1339G | band - metal band |
| B1339G-LKG | band - link |
| B1339S | band - metal band |
| B1339G-PB1 | clasp - parts for buckle/clasp |
| B1339G-BK1G | clasp - clasp |
| B1339C-PB1 | clasp - parts for buckle/clasp |
| B1339C-BK1S | clasp - clasp |
| 11S21BSH | hand - hour hand |
| 11S21BSM | hand - minute hand |
| 3AA125F1A6S | others - second hand |
| 3AA125F1ANG | others - second hand |
| 3AA125F3A6S | others - second hand |
| 3AA125F3ANG | others - second hand |
| 11S21BGH | others - hour hand |
| 0354351 | others - winding stem |
| 0801140 | others - date dial |
| EB0055B01 | others - crown and stem gasket |
| 82330592 | others - bezel |
| 82330599 | others - bezel |
| 82720490 | others - case ring |
| 8C2312 | others - machine code |
| 8C23605961 | others - case |
| 8C23605975 | others - case |
| 8C23605998 | others - case |
| 8C236090XG14 | others - dial |
| 8C236090XL13 | others - dial |
| 8C236090XL14 | others - dial |
| A180BS | others - push pin |
| 11S21BGM | others - minute hand |
| 11SC17T1 | others - second hand |
| 11SC17T2 | others - second hand |