Seiko Cal. 7143 - 301

This Quartz model from 1971 features a 40mm Hardlex-Coated Steel case. With its 21mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-caedf90b6a28]

Also known as: Silverwave, World Timer

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1971

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