Seiko Cal. 5679 - 839

This Automatic model from 1979 features a 36mm Hardlex-Coated Steel case. Powered by the 5679 caliber with 33j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-ba25e829f0ea]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

33j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1979

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