Seiko Cal. 5638 - 605

The Seiko 5638-605 represents an important milestone in Seiko's 1982 lineup. The Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-84e979ef1903]

Also known as: UFO

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1982

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