Seiko 5 Sports Speed-Timer Chronograph 7017-8000

The Seiko 5 Sports Speed-Timer Chronograph reference 7017-8000 is a vintage automatic flyback chronograph from the early 1970s, notable for its robust cushion case and specialized pulsimeter dial.

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The Seiko 5 Sports Speed-Timer Chronograph reference 7017-8000 represents a significant piece of horological history, showcasing Seiko's innovative spirit in the early 1970s. This particular reference, often seen from 1970 and 1971, is celebrated for its combination of a robust cushion case, a highly specialized pulsimeter dial, and a sophisticated flyback chronograph movement. It stands as a testament to Seiko's prominent role in the sports watch market during that era.

Produced by the Daini Seikosha division, the 7017 caliber within this model was an engineering marvel, boasting an incredibly slim profile for an automatic chronograph and featuring a sophisticated flyback mechanism. The striking black and orange color palette, along with its well-preserved aesthetics, makes the 7017-8000 a compelling choice for vintage chronograph collectors.

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Case Size

40 mm

Movement

Automatic Caliber 7017A

Production Years

1970-1971

Known References

7017-8000

What to look for in a vintage Seiko 7017-8000

When seeking a vintage Seiko 5 Sports Speed-Timer Chronograph 7017-8000, pay close attention to the dial and case condition. The matte black dial often features a specialized Pulsimeter Base 15 scale, and desirable examples will have original printing and evenly aged lume. The case, typically 40 mm in stainless steel, should ideally retain its sharp lines and show honest wear consistent with its age, rather than signs of over-polishing. The original hands and crown are also key components to assess for authenticity and originality.

The 7017A Movement

The heart of the Seiko 7017-8000 is the automatic Caliber 7017A movement, featuring 21 jewels. This movement was a product of the fierce internal rivalry between Seiko’s Suwa and Daini factories during the golden age of mechanical watchmaking. The 7017A is particularly noted for its slim profile as an automatic chronograph and its sophisticated flyback mechanism, allowing for instant reset and restart of the chronograph function with a single push. This mechanical prowess contributes significantly to the watch’s appeal among collectors.