Seiko Cal. 5691 - 926

This Quartz model from 1969 features a 40mm Hardlex-Coated Steel case. With its 19mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-efcbc4370fe5]

Also known as: Turtle, Samurai

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1969

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