Seiko Cal. 6691 - 586

This Quartz model from 1965 features a 43mm Gold-Plated case. With its 22mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-a11c4dd41ab7]

Also known as: Helmet, World Timer

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

White

Jewels

17j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1965

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