Seiko Cal. 0790 - 920

This Spring Drive model from 1978 features a 39mm Hardlex-Coated Steel case. With its 20mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-b6a9c49547e6]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1978

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