Seiko Cal. 6639 - 805

This Solar model from 1978 features a 46mm Stainless Steel case. With its 20mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-d55ca37b5f34]

Also known as: Monster, UFO

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1978

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