Seiko Cal. 5634 - 339

The Seiko 5634-339 represents an important milestone in Seiko's 1987 lineup. With its 19mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-841e8da4cde3]

Also known as: Goldfeather

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1987

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