Seiko Cal. 4577 - 522

The Seiko 4577-522 represents an important milestone in Seiko's 1970 lineup. It features a Green dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-8fd2ebd2b229]

Also known as: Pogue, UFO

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

36mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

24j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1970

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