Seiko Cal. 4564 - 633

The Seiko 4564-633 represents an important milestone in Seiko's 1969 lineup. With its 21mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-654de04ccd29]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

34mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1969

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