Seiko Cal. 6638 - 319

The Seiko 6638-319 represents an important milestone in Seiko's 1982 lineup. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-228bee7027ab]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1982

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