A novel solar chronograph, drawing inspiration from the 1969 Speedtimer, is driven by Seiko's innovative Caliber 8A50. It features a distinctive layout with four smaller dials comprising the watch face: the primary time display is located at the bottom sub-dial, with a 1/10 second indicator on the left, a 1/100 second indicator on the right, and the main seconds display positioned below the 12 o'clock markers in a conventional fashion. - Calibre 8A50 - Solar – Powered by any light source - 42mm Case Size - Stainless Steel Case and Bracelet - Curved Sapphire Glass with Anti-Reflective Coating on the side - Pull Out Crown - Stopwatch measures XX in 1/100th of a second increments with split time - 100 Meters Water Resistant