Smart Seiko 5 21 Jewel Automatic watch has traditionally built mechanical movements, simply wind themselves as they are worn and so never need batteries or any other complicated power source.
| Glass | Hardlex Glass | 
| Case Material | Stainless Steel | 
| Case Color | Stainless | 
| Strap Material | Stainless Steel | 
| Movement | Analog, Automatic | 
| Function | 3 Hands, Day-Date, Automatic | 
| Local Warranty | 1 Year | 
| Water Resistant | 3 atm | 
| Style | Casual | 
| Gender | Men | 
| International Warranty | 1 Year | 
| Case Size | 37mm | 
 
 
 
 
 
 
 
 
 
 
 
 
 
