Seiko Cal. 5679 - 750

This Solar model from 1974 features a 35mm Hardlex-Coated Steel case. Powered by the 5679 caliber with 20j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-fcf0f27db7c5]

Also known as: Sea Horse, Crown

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1974

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