Seiko Automatic Lug Widths (Ref. Start: SAE/SARB/SARC/SARL/SARN/SARY)
| Reference Number | Lug Width |
| SAEN001 | 20mm |
| SARA011 | 20mm |
| SARB001 | 20mm |
| SARB003 | 20mm |
| SARB005 | 20mm |
| SARB011 | 20mm |
| SARB013 | 20mm |
| SARB015 | 20mm |
| SARB017 | 20mm |
| SARB021 | 20mm |
| SARB023 | 20mm |
| SARB027 | 19mm |
| SARB029 | 19mm |
| SARB030 | 19mm |
| SARB033 | 20mm |
| SARB035 | 20mm |
| SARB037 | 20mm |
| SARB045 | 20mm |
| SARB046 | 20mm |
| SARB059 | 22mm |
| SARB061 | 22mm |
| SARB065 | 20mm |
| SARB066 | 20mm |
| SARB070 | 20mm |
| SARB071 | 20mm |
| SARB072 | 20mm |
| SARC001 | 19mm |
| SARC007 | 20mm |
| SARC009 | 20mm |
| SARC013 | 20mm |
| SARC015 | 20mm |
| SARC018 | 20mm |
| SARC019 | 20mm |
| SARD001 | 20mm |
| SARL001 | 20mm |
| SARL004 | 20mm |
| SARN001 | 20mm |
| SARN003 | 20mm |
| SARY001 | 20mm |
| SARY003 | 19mm |
| SARY005 | 20mm |
| SARY007 | 20mm |
