The Seiko 4S77-00B0 is a watch model based on the 4S77 movement.
Parts List
| SA0P81S20A | crystal - crystal (sapphire) |
| 1E60G1STS0 | crown - crown |
| 6K45B1STS0 | crown - crown(2h) |
| 0F300BAD2 | case back gasket - case back gasket |
| 86641390 | crystal gasket - plastic gasket for crystal |
| A0A0AB | band - band |
| AC50AW | band - band |
| 1FH085AGCEL | others - hour hand |
| 2FH120ACCEL | others - minute hand |
| 3BC037AACZL | others - small hand (6h) |
| 3BC050AACZL | others - small hand(3h) |
| 3BX125SDCEL | others - second hand |
| 1FH085AGBES | others - hour hand |
| 2FH120ACBES | others - minute hand |
| 3DC037AABXE | others - small hand (6h) |
| 3DC050AABXE | others - small hand(3h) |
| 3EX130FABES | others - second hand |
| 81507219 | others - case back screw |
| 82846655 | others - case ring |
| 4S7700B0 | others - case back |
| S190BS | others - push pin |
| 81380059 | others - casing spring |
| 4S7700B001A | others - case |
| 0351890 | others - winding stem |
| 0A0150B01 | others - crown and stem gasket |
| AD006BAD1 | others - crown and stem gasket |
Caliber 4S77










Other models with the same movement
| 4S77-0010 |
| 4S77-0020 |
| 4S77-00A0 |
| 4S77-00C0 |
| 4S77-00D0 |
| 4S77-00E0 |
| 4S77-0A20 |
| 4S77-0A30 |
| 4S77-0A40 |
| 4S77-0A50 |