Seiko 5 Sports SRPD55 vs Seiko Prospex Monster (4th Generation, SRPD27) SRPD27K1
Specifications
Marked rows differ| Case | ||
| Case diameter | 42.5 mm | 42.4 mm |
|---|---|---|
| Thickness | 13.4 mm | 13.4 mm |
| Lug-to-lug | 46 mm | 47.5 mm |
| Water resistance | 100 m | 200 m |
| Movement | ||
| Movement | Automatic, hacking seconds, hand-winding | Mechanical automatic (self-winding, with manual winding and hacking) |
| Caliber | 4R36 | 4R36 |
| Price | ||
| Launch MSRP | $350 | $495 |
| Details | ||
| Beat rate bph | 21600 | — |
| Bezel | Black unidirectional rotating aluminum bezel | Unidirectional rotating, 120-click |
| Bracelet | Stainless steel three-fold clasp bracelet with push-button release, 22mm lug width | — |
| Case material | — | Stainless steel |
| Crown | — | Screw-down |
| Crystal | Hardlex | Hardlex mineral crystal (with cyclops lens over the date) |
| Day date | — | true |
| Dial color | Black | Black |
| Frequency vph | — | 21600 |
| Jewels | 24 | 24 |
| Lume | LumiBrite hands and markers | LumiBrite on hands and indices |
| Magnetic resistance a per m | 4800 | — |
| Model name | 5 Sports SKX Sports Style | — |
| Power reserve hours | 41 | 41 |
| Strap | — | Black silicone strap |
| Weight g | 170 | — |
Sources
Verified · 14 referencesEvery spec on this page was independently checked against the sources below before publishing.