Seiko Cal. 4479 - 637

The Seiko 4479-637 represents an important milestone in Seiko's 1982 lineup. With its 19mm lug width and 13.4mm profile, it sits comfortably on most wrists. [seikata-wm-4b78c5ae946c]

Also known as: Bullhead, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1982

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