Seiko Cal. 6638 - 682

The Seiko 6638-682 represents an important milestone in Seiko's 1980 lineup. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-e42a1d97469a]

Also known as: Samurai, UFO

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1980

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