Seiko Cal. 5278 - 518

This Quartz model from 1972 features a 40mm Hardlex-Coated Steel case. With its 19mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-12037a709aa3]

Also known as: Samurai, Sportsmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1972

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