Seiko Cal. 7131 - 547

This Quartz model from 1988 features a 35mm Hardlex-Coated Steel case. With its 20mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-ac9dc4c907d2]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1988

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