Compare Studio
SBDX001 vs SBDX017
Differences are highlighted. Rows where both references share a value are dimmed.
| Specification | ||
|---|---|---|
| Nickname | MM300 | MM300 |
| Production | 2000–2015 | 2015–2020 |
| Era | First MM300 | Updated MM300 |
| Status | discontinued | discontinued |
| Case diameter | 44.3mm | 44.3mm |
| Thickness | 15.4mm | — |
| Lug width | 20mm | — |
| Case material | Stainless steel | Stainless steel with super-hard coating |
| Construction | Monocoque case, accessed from the front | — |
| Bezel | Unidirectional 60-minute | Unidirectional 60-minute |
| Crystal | Hardlex | Sapphire |
| Crown | Screw-down crown at 4 | Screw-down crown at 4 |
| Water resistance | 300m | 300m |
| Dial | Black | Black |
| Lume | LumiBrite | LumiBrite |
| Lume type | LumiBrite | LumiBrite |
| Movement | Automatic | Automatic |
| Caliber | 8L35 | 8L35 |
| Manufacturer | Seiko | Seiko |
| Winding | automatic | automatic |
| Power reserve | ~50 hours | — |
| Frequency | 28,800 vph | — |
| Jewels | 26 | — |
| Complications | Date, hacking, hand-winding | Date |