Seiko Cal. 6638 - 308

The Seiko 6638-308 represents an important milestone in Seiko's 1984 lineup. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-e910d34cdb29]

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

34j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1984

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