Seiko Cal. 4590 - 978

The Seiko 4590-978 represents an important milestone in Seiko's 1969 lineup. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-e4cf0551e7d7]

Also known as: Rally, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1969

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