Seiko Cal. 5638 - 694

The Seiko 5638-694 represents an important milestone in Seiko's 1979 lineup. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-8ffa81df55cb]

Also known as: Panda, Sea Horse

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1979

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