Seiko SSB427
| Movement Type | Quartz |
| Functions | 24-hour hand, Equipped with small seconds hand, Chronograph up to 60 minutes in 1/5 second increments, Date display |
| Case Thickness | 12.1 mm |
| Case Width | 41.5 mm |
| Crystal | Hardlex |
| Water Resistance | 10 bar |
| Weight | 133 g |
| Features | Screw case back |