Seiko Cal. 5668 - 138

The Seiko 5668-138 represents an important milestone in Seiko's 1987 lineup. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-8f0ce3bfa1c1]

Also known as: Turtle, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1987

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