Seiko Cal. 5639 - 977

The Seiko 5639-977 represents an important milestone in Seiko's 1976 lineup. With its 19mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-5e2f82a8d0ef]

Also known as: Goldfeather, Sea Horse

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1976

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