Seiko Cal. 4577 - 630

The Seiko 4577-630 represents an important milestone in Seiko's 1971 lineup. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-9660e5e49b2e]

Also known as: Shogun, Goldfeather

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

44mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1971

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