Seiko Cal. 6631 - 192

This Quartz model from 1975 features a 43mm Titanium case. With its 21mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-0c9971950507]

Also known as: Rally, World Timer

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

43mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Silver

Jewels

34j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1975

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