Seiko Cal. 5679 - 664

This Quartz model from 1971 features a 38mm Titanium case. With its 21mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-0dfce2cfffb0]

Also known as: Turtle, Sumo

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

38mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Cream

Jewels

33j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1971

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