The Seiko SNXB20 is a mechanical automatic watch with movement-case reference 7S26-00V0. 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. | SNXB20 Depending on the region, bracelet model and other features you may find this watch reference written as SNXB20J, SNXB20J1, SNXB20J2, SNXB20K, SNXB20K1, SNXB20K2, SNXB20P, SNXB20P1, SNXB20P2, etc. |
| Case-movement ref. | 7S26-00V0 |
| Case-Dial code | 00V-00F |
| Caliber | 7S26 |
| Type | mechanical automatic |
| Jewels | 21 |
| Power reserve | 41 hours |
| Hand-winding | no |
| Stop seconds hand | no |
| Crystal | hardlex |
| Strap/Bracelet ref. | 3144BB |
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SNXB17
Case reference: 7S26-00V0
Case-Dial code: 00V-00F
Type: Mechanical Automatic
Movement: 7S26
Jewels: 21
Power reserve: 41 hours
SNXB19
Case reference: 7S26-00V0
Case-Dial code: 00V-00F
Type: Mechanical Automatic
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SNXB27
Case reference: 7S26-00V0
Case-Dial code: 00V-00F
Type: Mechanical Automatic
Movement: 7S26
Jewels: 21
Power reserve: 41 hours