The Seiko 6M13-7020 is a watch model based on the 6M13 movement.
Parts List
| 300P01HN03 | crystal |
| 9M40A1NNW0 | crown |
| 9M40A1NNG0 | crown - crown |
| 0F260BAA3 | case back gasket - case back gasket |
| DB0055B01 | case back gasket - crown and stem gasket |
| 86590875 | crystal gasket - plastic gasket for crystal |
| 86564050 | bezel gasket |
| 80631231 | pusher - button |
| 80631239 | pusher |
| Z1660S | band |
| Z1660C-LKG | band - link |
| Z1660G-LKG | band - link |
| Z1660S-LKS | band - link |
| Z1660G | band |
| Z1660C | band |
| Z1660S-PB1 | clasp - parts for buckle/clasp |
| Z1660C-BK2S | clasp - clasp |
| Z1660G-PB1 | clasp - parts for buckle/clasp |
| Z1660S-BK2S | clasp - clasp |
| Z1660C-PB1 | clasp - parts for buckle/clasp |
| Z1660G-BK2G | clasp - clasp |
| 2DF030AABAA | others - sub hand |
| 3AX120FAAAL | others - second hand |
| 3AX120FAAAM | others - second hand |
| 2DF030AABNG | others - sub hand |
| 04PE01AA | others - sub hand |
| 0801466 | others - date dial |
| 0801469 | others - date dial |
| 6M1321 | others - machine code |
| 6M137020 | others - case back |
| 6M13702061 | others - case |
| 6M13702075 | others - case |
| 6M13702098 | others - case |
| 6M13702LXL14 | others - dial |
| 6M13702LXS14 | others - dial |
| 6M13702LXS24 | others - dial |
| 82353731 | others - bezel |
| 82353739 | others - bezel |
| 84310376 | others - dial ring |
| 84310378 | others - dial ring |
| 86510109 | others - conducting plate |
| A190BS | others - push pin |
| 83200273 | others - button spring clip |
| AD006BA11 | others - crown and stem gasket |
| 0351169 | others - winding stem |
| 0351168 | others - winding stem |
| 82853970 | others - case ring |
| Z1660G-EPG | others - endpiece |
| Z1660S-EPS | others - endpiece |
| Z1660C-EPG | others - endpiece |
| 04PE01NG | others - sub hand |
| 3AX120FAAAN | others - second hand |
| 2AX115FDBLM | others - minute hand |
| 2AX115FDBLN | others - minute hand |
| 2AX115FDBLL | others - minute hand |
| 1AX082FDBLM | others - hour hand |
| 1AX082FDBLL | others - hour hand |
| 1AX082FDBLN | others - hour hand |
Caliber 6M13
Other models with the same movement
| 6M13-0010 |
| 6M13-0014 |
| 6M13-0019 |
| 6M13-0020 |
| 6M13-7000 |
| 6M13-7010 |
| 6M13-702A |
| 6M13-7039 |
| 6M13-7040 |
| 6M13-7060 |