Seiko Cal. 5278 - 126

This Quartz model from 1978 features a 43mm Two-Tone case. With its 22mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-0e02dee1895e]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

43mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

White

Jewels

18j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1978

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