Seiko Cal. 4577 - 630

The Seiko 4577-630 represents an important milestone in Seiko's 1966 lineup. With its 18mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-0f31f59cbeeb]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1966

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