Seiko Cal. 4531 - 577

The Seiko 4531-577 represents an important milestone in Seiko's 1981 lineup. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-37fa70259e2e]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Burgundy

Jewels

33j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1981

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