Seiko Cal. 5691 - 243

This Quartz model from 1976 features a 40mm Hardlex-Coated Steel case. With its 22mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-968476bd1548]

Also known as: Silverwave

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

24j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1976

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