Seiko Cal. 3879 - 765

This Spring Drive model from 1973 features a 38mm Gold-Plated case. With its 20mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-02551f0f3ef5]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1973

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