Seiko Cal. 5679 - 657

The Seiko 5679-657 represents an important milestone in Seiko's 1974 lineup. Powered by the 5679 caliber with 22j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-f885ceb539b9]

Also known as: Arnie, Flighty

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Cream

Jewels

22j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1974

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