The Seiko 5Y23-8049 is a watch model based on the 5Y23 movement.
Parts List
| 310T48ANS0 | crystal - crystal |
| 310T48ANG0 | crystal - crystal |
| 35M82NA1 | crown - crown |
| 35M82NS1 | crown - crown |
| FH2981B01 | case back gasket - case back gasket |
| FH2981B0 | case back gasket |
| B1681K | band - band |
| B1680J | band |
| B1680K | band - metal band |
| B1680K-LKG | band - link |
| B1681K-LKG | band - link |
| B1800K | band - metal band |
| B1800K-LKG | band - link |
| B1681J | band - band |
| B1680K-PB1 | clasp - parts for buckle/clasp |
| B1680K-BK1G | clasp - clasp |
| B1800K-PB1 | clasp - parts for buckle/clasp |
| B1800K-BK1G | clasp - clasp |
| B1681K-BK1G | clasp - buckle |
| B1681K-PB1 | clasp - parts for buckle |
| 0801722 | others - date dial |
| 0801774 | others - date dial |
| 0866559 | others - holding ring for dial |
| 0878506 | others - date dial |
| 5Y238049 | others - case back |
| 5Y23804961 | others - case |
| 5Y23804975 | others - case |
| 5Y23804998 | others - case |
| 5Y23814WXB14 | others - dial |
| 5Y23814WXB23 | others - dial |
| 5Y23814WXG14 | others - dial |
| 5Y23814WXL13 | others - dial |
| 5Y23814WXS13 | others - dial |
| 5Y23814WXS24 | others - dial |
| 5Y23815WXS13 | others - dial |
| 5Y23815WXS24 | others - dial |
| 5Y23826WXL23 | others - dial |
| 5Y238548XG14 | others - dial |
| 5Y238558XS19 | others - dial |
| 5Y239 | others - machine code |
| A180BS | others - push pin |
| 0351670 | others - winding stem |
| 82800261 | others - case ring |
| 82362629 | others - decorative bezel |
| 82362621 | others - decorative bezel |
| 2BA125A0BNG | others - minute hand |
| 13SC04A2 | others - second hand |
| 13SC04ES | others - second hand |
| 0Z0060B01 | others - crown and stem gasket |
| 13SC04AR | others - second hand |
| 12T14NGM | others - minute hand |
| 12C42KSM | others - minute hand |
| 12T02N1H | others - hour hand |
| 2AB125L2BLG | others - minute hand |
| 12C42LGM | others - minute hand |
| 12C52MWM | others - minute hand |
| 12C42KSH | others - hour hand |
| 12C42KKM | others - minute hand |
| 12C64LSM | others - minute hand |
| 12C42KGH | others - hour hand |
| 1AB085L0BLG | others - hour hand |
| 12C42LGH | others - hour hand |
| 12C64LGM | others - minute hand |
| 12T44NGM | others - minute hand |
| 12C42KGM | others - minute hand |
| 12C52MWH | others - hour hand |
| 12C42KKH | others - hour hand |
| 12C64LSH | others - hour hand |
| 12C64LGH | others - hour hand |
| 12T44NGH | others - hour hand |