Seiko Cal. 7178 - 498

This Quartz model from 1971 features a 38mm Stainless Steel case. With its 21mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-3e35824b8410]

Also known as: Sumo, Shogun

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Green

Jewels

33j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1971

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