Seiko Cal. 6639 - 121

This Hand-Winding model from 1983 features a 37mm Gold-Plated case. With its 21mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-e9c1dca90893]

Also known as: Shogun, Crown

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1983

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