SEIKO PROSPEX SPEEDTIMER SSC819P1

 Movement
• Caliber Number : V192
• Precision : ±15 seconds per month
• Movement type : Solar
• Power reserve : Operating for approx. 6 months (when fully charged)
• Overcharge prevention function
• 24-hour hand
• Date display
• Equipped with small seconds hand
• Chronograph up to 60 minutes in 1/5 second increments
• Power reserve indicator

Case
• Case Material : Stainless steel
• Crystal Material : Curved sapphire crystal 
• Crystal Coating : Anti-reflective coating on inner surface
• LumiBrite : Lumibrite on hands and index(es)

Case Dimensions
Thickness : 13.3mm
Diameter : 39.0mm
Lug-to-lug : 45.5mm

Band
• Clasp : Three-fold clasp with push button release
• Distance between lugs : 20mm

Other Details
• Water Resistance : 100m
• Weight : 161.0g
• Tachymeter function
• Screw case back