Seiko Cal. 6670 - 764

The Seiko 6670-764 represents an important milestone in Seiko's 1977 lineup. With its 19mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-2ac5fc3d3691]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Cream

Jewels

17j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1977

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