Seiko Cal. 5679 - 138

This Spring Drive model from 1980 features a 45mm Two-Tone case. With its 22mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-f6c3ef82d44e]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

White

Jewels

17j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1980

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