Seiko Cal. 4577 - 129

The Seiko 4577-129 represents an important milestone in Seiko's 1979 lineup. With its 22mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-e2bc4298b7e2]

Also known as: Monster, Sumo

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

White

Jewels

18j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1979

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