Seiko Cal. 0717 - 521

The 0717-521 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-57ba77f0c459]

Also known as: Monster, Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

17j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1996

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