The Seiko SKX251 is a mechanical automatic watch with movement-case reference 7S26-0120. 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.
![Watch](https://www.theseikoguy.com/media/watches/skx/SKX251.jpg)
Ref. | SKX251 Depending on the region, bracelet model and other features you may find this watch reference written as SKX251J, SKX251J1, SKX251J2, SKX251K, SKX251K1, SKX251K2, SKX251P, SKX251P1, SKX251P2, etc. |
Case-movement ref. | 7S26-0120 |
Case-Dial code | 012-147 |
Caliber | 7S26 |
Type | mechanical automatic |
Jewels | 21 |
Power reserve | 41 hours |
Hand-winding | no |
Stop seconds hand | no |
Crystal | hardlex |
Strap/Bracelet ref. | 4551JZ |
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Jewels: 21
Power reserve: 41 hours
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SKX301
Case reference: 7S26-0120
Case-Dial code: 012-151
Type: Mechanical Automatic
Movement: 7S26
Jewels: 21
Power reserve: 41 hours