Seiko Cal. 6691 - 818

This Kinetic model from 1976 features a 34mm Stainless Steel case. With its 20mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-12e8bf8bf987]

Also known as: Helmet, Bellmatic

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1976

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