Seiko Cal. 6636 - 191

This Spring Drive model from 1990 features a 34mm Gold-Plated case. With its 19mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-91a74bf7ff3b]

Also known as: Helmet, Navigator

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1990

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