Seiko Cal. 4579 - 931

The Seiko 4579-931 represents an important milestone in Seiko's 1981 lineup. Powered by the 4579 caliber with 22j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-324417de888a]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1981

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