The Seiko 5Y23-8150 is a watch model based on the 5Y23 movement.
Parts List
| 290WA2LN01 | crystal |
| 290WA2LN | crystal |
| 35M82NA1 | crown - crown |
| 35M82NS1 | crown - crown |
| FH2981B01 | case back gasket - case back gasket |
| FH2981B0 | case back gasket |
| 86574980 | crystal gasket - crystal gasket |
| 86179411 | bezel gasket - plastic gasket for bezel |
| B1703S | band |
| B1703K | band - band |
| B1703G-LKG | band - link |
| B1703K-LKG | band - link |
| B1703L-LKG | band - link |
| B1703L | band |
| B1703J | band |
| B1703G | band |
| B1703G-PB1 | clasp - parts for buckle/clasp |
| B1703K-BK1G | clasp - buckle |
| B1703K-PB1 | clasp - parts for buckle |
| B1703L-PB1 | clasp - parts for buckle/clasp |
| B1703L-BK1S | clasp - clasp |
| B1703G-BK1G | clasp - clasp |
| 2AD120AMBAA | others - minute hand |
| 82800261 | others - case ring |
| 0801777 | others - date dial |
| 0866559 | others - holding ring for dial |
| 5Y238150 | others - case back |
| 5Y23815075 | others - case |
| 5Y23815075Z | others - case |
| 5Y23815098Z | others - case |
| 5Y238190XG14 | others - dial |
| 5Y238198XG14 | others - dial |
| 5Y238208XS14 | others - dial |
| 5Y239 | others - machine code |
| 82351441 | others - bezel |
| A170BS | others - push pin |
| 0351670 | others - winding stem |
| 13SC04A2 | others - second hand |
| 13SC04ES | others - second hand |
| 0Z0060B01 | others - crown and stem gasket |
| 12CA4CSM | others - minute hand |
| 12CA4CKM | others - minute hand |
| 12C16AGM | others - minute hand |
| 12C16AGH | others - hour hand |
| 12CA4CGM | others - minute hand |
| 12CA4CSH | others - hour hand |
| 12CA4CKH | others - hour hand |
| 12CA4CGH | others - hour hand |