Seiko Cal. 6390 - 475

The Seiko 6390-475 represents an important milestone in Seiko's 1974 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-a1554b841e07]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1974

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