Seiko Cal. 5639 - 565

The Seiko 5639-565 represents an important milestone in Seiko's 1973 lineup. With its 21mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-ce06e40908be]

Also known as: Helmet, Arnie

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1973

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