Seiko Cal. 4421 - 237

This Automatic model from 1970 features a 38mm Hardlex-Coated Steel case. With its 19mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-8b59e3dd2fb6]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1970

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