Seiko original case back gasket for the following case numbers:
If your case number is NOT listed on this page, this might NOT be the correct gasket for your watch. Please contact us and we will direct you to the correct part. Case number is printed on the back of the case starts with the movement number followed by a dash and 4 more digit or letter combination.
4Y23-8A69
5H23-8000
5H23-8009
5H23-8020
5H23-8029
5H23-8102
5Y22-8A01
5Y22-8A08
5Y22-8A20
5Y22-8A30
5Y22-8A40
5Y22-8A60
5Y22-8A61
5Y22-8A80
5Y22-8A81
5Y22-8B00
5Y22-8B01
5Y23-7A50
5Y23-7A51
5Y23-7A59
5Y23-7A80
5Y23-7A81
5Y23-8A00
5Y23-8A01
5Y23-8A10
5Y23-8A11
5Y23-8A19
5Y23-8A60
5Y23-8A69
5Y23-8A70
5Y23-8A71
5Y23-8A80
5Y23-8B40
7N43-6010
7N43-6011
7N43-6141
7N43-6151
7N43-6154
7N43-6220
7N43-7091
7N43-7098
7N43-7101
7N43-7111
7N43-8110
7N43-8111
7N43-8119
7N43-8151
7N43-8360
7N43-8370
7N43-T011
7N48-8000
7N83-8111
7S36-0010
7S36-0020
7T62-0EP0
8T23-8020
Y675-0030
Y675-0070