Seiko was established in 1881 as a watch and clock repair shop in Ginza, Tokyo. Seiko has grown and diversified over the years but remains best known for its world-leading brands and expertise in fusing intricate watchmaking skill with elegant design. Seiko timepieces deliver precisely beautiful Japanese aesthetics, brought to life through total in-house manufacture. • Calibre Type: Quartz, Powered By A Battery • Calibre Function: Chronograph • Power Reserve/Battery Life: 3 Years • Battery: SR936SW • Calibre Number: 8T63 • Water Resistance: 100 Metres • Case Material: Stainless Steel • Case Size: Diameter: 42mm • Case Colour: Silver and Black • Band/Bracelet: Strap, Leather • Band Colour: Black • Band Reference: L0P9011J9 • Glass Material: Sapphire Glass • Crown: Cabochon, Pull Out • Dial Colour: Black • Calendar Indicators: Date • Hand Indicators: Hour, Minute, Seconds, 24-Hour • Lumibrite: Hands and Markers • Stopwatch: Stopwatch Measures 60 Minutes In 1/5th Of A Second Increments With Split Time Capability