The Prospex Speedtimer Solar Chronograph SSC913 is the perfect combination of vintage style and modern technology. The design of this watch is inspired by Seiko's 1969 Speedtimer, which was one of the world's first automatic chronographs. The watch is powered by light energy, so you never have to worry about changing batteries. Once fully charged, the watch has a 6-month power reserve. The chronograph function allows you to measure up to 60 minutes of elapsed time in 1/5-second increments with split time measurement function, making it perfect for timing events or activities.

Featuring a stunning blue dial with sunray finish and red accents, the watch is easy to read and visually appealing. The date calendar and 24-hour subdial provide added functionality. The LumiBrite hands and markers make it easy to read the time in low-light conditions. The curved sapphire crystal with anti-reflective coating on the inner surface ensures that the watch is scratch-resistant and easy to read. The dual-tone red and blue tachymeter bezel adds to the vintage look of the watch.

The watch is built to last with a stainless steel case and bracelet and water-resistant up to 10 bar, 100 meters (330 feet). The case diameter of 41.4mm is comfortable on the wrist and the tri-fold push button release clasp ensures that the watch stays securely on your wrist. The screwdown caseback adds to the durability of the watch and caliber V192 ensure high precision and accuracy.

In summary, Prospex Speedtimer Solar Chronograph is an excellent blend of vintage design with modern functionality, powered by light energy, 6-month power reserve, chronograph with split time measurement and lumi-bright hands markers, anti-reflective coated sapphire crystal, dual-tone bezel and robust stainless steel construction and water resistant to 100m, this timepiece is sure to impress any watch enthusiast.