| Numero prime Seiko | DIMENSIONI | Peso | |||
| (mm) | kg | ||||
| d | D | B | C | ||
| DAC20420030/29 | 20 | 42 | 30 | 29 | 0.19 |
| DAC255200206 | 25 | 52 | 20.6 | 20.6 | 0.19 |
| DAC255200206A | 25 | 52 | 20.6 | 20.6 | 0.19 |
| DAC25520043 | 25 | 52 | 43 | 43 | 0.36 |
| DAC25550043 | 25 | 55 | 43 | 43 | 0.44 |
| DAC25560032 | 25 | 56 | 32 | 32 | 0.32 |
| DAC255600206/29 | 25 | 56 | 20.6 | 29 | 0.28 |
| DAC256000206/29 | 25 | 60 | 20.6 | 29 | 0.34 |
| DAC25620028/17 | 25 | 62 | 28 | 17 | 0.25 |
| DAC25720043 | 25 | 72 | 43 | 43 | 0.88 |
| DAC27520045/43 | 27 | 52 | 45 | 43 | 0.35 |
| DAC27520050 | 27 | 52 | 50 | 50 | 0.38 |
| DAC27600050 | 27 | 60 | 50 | 50 | 0.56 |