| Model | KING SEIKO 1st model SD dial, small "25" |
| Reference | J14102EKS |
| Year of Production | August 1961 |
| Movement | Manual-winding 25-jewel movement |
| Country of Origin | Japan |
| Water Resistance | Not waterproof |
| Case Diameter | 35mm |
| Case Material | K14 Yellow Gold Filled |
| Crystal | Plastic |
| Lug Width | 18mm |
| Buckle Width | 15mm |