Prospex Speedtimer 'Pogue'In 1969, Seiko released the worlds first automatic chronograph equipped with both vertical clutch and column wheel, known as the Seiko Speedtimer. Under a curved sapphire crystal glass is a vivid yellow dial, characteristic of the 6139 original, the second hand, and subdial minute hand at 6 oclock are in a bright red. With 12 spots of Lumibrite across each of the wide vintage style indices, this Speedtimer is designed for legibility in dark