Seiko Cal. 6677 - 690

This Hand-Winding model from 1968 features a 34mm Stainless Steel case. With its 19mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-33e077ab0d18]

Also known as: Monster, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1968

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