Hamilton Khaki Field Mechanical H69439931 vs Seiko Prospex SPB143
Specifications
Marked rows differ| Case | ||
| Case diameter | 38 mm | 40.5 mm |
|---|---|---|
| Thickness | 9.5 mm | 13.2 mm |
| Lug-to-lug | 47 mm | 47.6 mm |
| Water resistance | 50 m | 200 m |
| Movement | ||
| Movement | Hand-winding | Automatic (mechanical self-winding, with hand-winding and hacking seconds) |
| Caliber | H-50 | Seiko 6R35 |
| Price | ||
| Launch MSRP | $625 | $1,200 |
| Details | ||
| Beat rate hz | — | 3 |
| Bezel | — | 120-click unidirectional rotating, brushed steel with white markings and lumed pip |
| Bracelet | — | Stainless steel three-link bracelet, 20mm at lugs tapering to 18mm, with three-fold clasp |
| Case material | Stainless steel | Stainless steel with super-hard coating |
| Crystal | Sapphire | Domed sapphire with anti-reflective coating |
| Dial color | Black | Charcoal grey with subtle sunburst finish |
| Lug width mm | 20 | 20 |
| Lume | Super-LumiNova | LumiBrite |
| Power reserve hours | 80 | 70 |
| Strap | Green textile strap | — |
Sources
Verified · 5 referencesEvery spec on this page was independently checked against the sources below before publishing.