Seiko Cal. 4522 - 477

The Seiko 4522-477 represents an important milestone in Seiko's 1981 lineup. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-d885dd2b0d9e]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

36mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1981

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