Seiko Cal. 4422 - 583

This Spring Drive model from 1987 features a 38mm Hardlex-Coated Steel case. With its 20mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-575d38e72b26]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1987

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