This is a Japanese July 1977 document for Digital Watch information from Seiko.
The document shows details of how the cases are assembled and disassembled as well as case points to oil.
The document covers the following models:
0139-5000
0432-4000
0432-4001
0432-4020
0432-4030
0432-5000
0432-5001
0531-0010
0533-5000
0533-5020
0534-5000
0534-5010
0534-5020
0624-5000
0634-5000
0644-8000
0654-5000
0664-5000
0674-5000
A031-5000
A159-4000
M154-4000
M158-4000
M159-5000
M159-5010
1977.07 Seiko Digital Technology Information
The document shows details of how the cases are assembled and disassembled as well as case points to oil.
The document covers the following models:
0139-5000
0432-4000
0432-4001
0432-4020
0432-4030
0432-5000
0432-5001
0531-0010
0533-5000
0533-5020
0534-5000
0534-5010
0534-5020
0624-5000
0634-5000
0644-8000
0654-5000
0664-5000
0674-5000
A031-5000
A159-4000
M154-4000
M158-4000
M159-5000
M159-5010
1977.07 Seiko Digital Technology Information