Seiko Cal. 5639 - 819

Released in 1980, the Cal. 5639 with design code 819 was part of Seiko's domestic market collection. The Fixed bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-8bd8ca40828c]

Also known as: Sumo, Goldfeather

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1980

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