Seiko Cal. 6638 - 330

The Seiko 6638-330 represents an important milestone in Seiko's 1982 lineup. With its 20mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-aec16ba6de42]

Also known as: Emperor, Flighty

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1982

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