Seiko Cal. 4590 - 700

The Seiko 4590-700 represents an important milestone in Seiko's 1969 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-d818e9b40fdc]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1969

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