Seiko Cal. 6670 - 404

The 6670-404 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-7fd4eddb8a19]

Also known as: Monster, Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1988

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