The Seiko SKX439 is a mechanical automatic watch with movement-case reference 7S26-0190. It houses the 7S26 caliber with 21 jewels, running at 21600 bph with an accuracy of +45/-35 seconds per day. It has a 41 hours power reserve, no hand-winding and no stop seconds hand function.
| Ref. | SKX439 Depending on the region, bracelet model and other features you may find this watch reference written as SKX439J, SKX439J1, SKX439J2, SKX439K, SKX439K1, SKX439K2, SKX439P, SKX439P1, SKX439P2, etc. |
| Case-movement ref. | 7S26-0190 |
| Case-Dial code | 019-167 |
| Caliber | 7S26 |
| Type | mechanical automatic |
| Jewels | 21 |
| Power reserve | 41 hours |
| Hand-winding | no |
| Stop seconds hand | no |
| Crystal | hardlex |
| Strap/Bracelet ref. | 4H95JB |
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Case reference: 7S26-0190
Case-Dial code: 019-166
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SKX443
Case reference: 7S26-0190
Case-Dial code: 019-166
Type: Mechanical Automatic
Movement: 7S26
Jewels: 21
Power reserve: 41 hours