Seiko Prospex Speedtimer Eurpoean Limited Edition Solar Chronograph SEIKO Prospex Speedtimer Blue and Red SSC947 Seiko Prospex Prospex Crystal Trophy Speedtimer Solar Chronograph 41 Seiko Prospex 'Speedometer' Solar Speedtimer Chronograph European. Movement Caliber Number V192 Movement Type Solar Precision 15 seconds per month Power 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 Band Case Material Stainless steel Case Size Thickness: 13. 0mm Diameter: 41. 4mm Lug to lug: 45. 9mm Crystal Curved sapphire crystal Crystal Coating Anti reflective coating on inner surface LumiBrite LumiBrite on hands and index(es) Clasp Three fold clasp with push button release Distance between lugs 21 Other Details Water Resistance 10 bar Magnetic Resistance 4,800 A m Weight 164. 0g Features Tachymeter function Screw case back