Seiko Cal. 5690 - 520

This Spring Drive model from 1974 features a 43mm Hardlex-Coated Steel case. With its 18mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-da43ae232cb1]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Navy

Jewels

22j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1974

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