Seiko Cal. 7090 - 940

This Spring Drive model from 1972 features a 45mm Hardlex-Coated Steel case. With its 18mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-103c5806ac18]

Also known as: Helmet, Silverwave

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

23j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1972

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