Seiko Cal. 6628 - 592

The Seiko 6628-592 represents an important milestone in Seiko's 1970 lineup. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-2fe0ed56d3d2]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

White

Jewels

20j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1970

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