| Image | Watch | Reference | Ø | Case | Status |
|---|---|---|---|---|---|
| AM51 | SO30B400 | 42 mm | — | In production | |
| WAKTU51 | SO30N400 | 42 mm | — | In production | |
| Sistem SEA | SUTN403 | 42 mm | — | In production | |
| Sistem51 Hodinkee Summer ED. | SUTZ407 | 42 mm | — | Discontinued | |
| Sistem51 Hodinkee Generation 1990 | SUTZ408 | 42 mm | — | Discontinued | |
| Petite Seconde Black | SY23S400 | 42 mm | Stainless steel | In production | |
| Sistem Slate | YIB400 | 42 mm | Stainless steel | In production | |
| Sistem Pilote | YIB404 | 42 mm | Stainless steel | In production | |
| Sistem Rosee | YIG400 | 42 mm | Stainless steel | In production | |
| Sistem Snow | YIS406 | 42 mm | Stainless steel | In production | |
| Sistem Stalac | YIS406G | 42 mm | Stainless steel | In production | |
| Sistem Lake | YIS420 | 42 mm | Stainless steel | Discontinued | |
| Blurang | YIS430 | 42 mm | Stainless steel | In production |












