・Classic design
・Moon phase indicator
・50-meter water resistance
| Glass | Mineral |
| Case Material | Stainless Steel |
| Case Color | Silver |
| Strap Material | Stainless Steel |
| Strap Color | Silver |
| Local Warranty | 1 Year |
| Water Resistance | 50m |
| Movement | Quartz |
| Function | 3 Hands, Moon Phase |
| International Warranty | 1 Year |
| Case Size | 42.5mm |
| Weight | 113 g |
| Power supply and battery life | Approx. battery life: 3 years on SR621SW |
| Compatible band size | 150 to 205 mm |