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: Solar, Powered By Any Light Source • Calibre Function: GPS, Analogue , Hands • Accuracy: plus or minus 1 second every 100,000 years (with daily automatic time adjustment) • Calibre Number: 3X62 • Water Resistance: 100 Metres • Case Material: Titanium • Case Size: Diameter: 41.2mm • Case Colour: Silver • Band/Bracelet: Bracelet, Titanium • Band Colour: Silver • Band Reference: M0YS321H0 • Glass Material: Sapphire Glass With Super Clear Coating • Crown: Pull Out • Dial Colour: Blue • Calendar Indicators: Date • Hand Indicators: Hour, Minute, Seconds • Lumibrite: Hands and Markers • World Time: Astron GPS Solar pinpoints your location and identifies your exact timezone by receiving GPS signals from 4 or more GPS satellites. Manual Time Adjustment is available. Daylight Saving Auto Adjustment