Seiko Cal. 6390 - 979

The Seiko 6390-979 represents an important milestone in Seiko's 1979 lineup. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-57381e85b05e]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1979

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