Seiko Prospex Speedtimer SSC813 SSC813P SSC813P1 Solar Chronograph

Seiko Prospex Speedtimer SSC813 SSC813P SSC813P1 Solar Chronograph  Specifications:MovementCaliber Number : V192Movement Type : SolarPrecision : ±15 seconds per monthPower reserve : Operating for approx. 6 months (when fully charged)Functions :  Overcharge prevention function 24-hour hand Equipped with small seconds hand Chronograph up to 60 minutes in 1/5 second increments Power reserve indicator Date display Case/BandCase Material : Stainless steelCase Size :  Thickness:13.3mm Diameter:39.0mm Lug-to-lug:45.5mm Crystal : Curved sapphire crystalCrystal Coating : Anti-reflective coating on inner surfaceLumiBrite : LumiBrite on hands and index(es)Clasp : Three-fold clasp with push button releaseDistance between lugs : 20 Other DetailsWater Resistance : 100 mWeight : 161.0gFeatures :  Tachymeter function Screw case back