Seiko Cal. 5638 - 933

The Seiko 5638-933 represents an important milestone in Seiko's 1984 lineup. The Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-02ce79fa706d]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1984

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