The 8002 model in Seiko's 6139 lineup offers a refreshing departure from the brand's usual sporty style, showcasing a throwback design that perfectly captures what modern manufacturers strive to achieve.
 
This particular timepiece is a true gem, and it gets even more special as it belongs to the rarer "Speed Timer" variant, exclusively available in the Japanese domestic market.
 
Dating back to May 1972, this watch features an appealing tonneau-shaped case with vibrant colors, elegant lines, and a historically significant movement. The dial, in a minty shade, exhibits a linen texture in a purple hue, accentuated by a deep orange 1/5-second track that harmonizes beautifully with the chronograph hands.
 
The sub-dial provides excellent contrast with its electric blue five-minute countdown and fifteen-minute division. Sitting atop the unpolished case is a well-proportioned bezel, boasting a glossy black inlay for added visual appeal.
 
Balancing the design, the Speed Timer logo complements the framed day/date window, which displays the days and dates in both Kanji and English. This early variant is equipped with Seiko's initial iteration of their top-tier automatic chronograph movement, the 6139A. This impressive caliber features a column wheel design with a vertical clutch, exemplifying its robustness.
The chronograph functions operate with precision and quick response, while the watch maintains accurate timekeeping, only deviating by a few seconds per day.