Seiko SSB399
| 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 Material | Stainless steel (hard coating) |
| Case Thickness | 12.3 mm |
| Case Width | 41 mm |
| Case Material | Stainless steel (hard coating) |
| Crystal | Hardlex |
| Water Resistance | 10 bar |
| Weight | 152 g |
| Features | Screw case back |