Seiko Cal. 4443 - 931

This Spring Drive model from 1979 features a 38mm Hardlex-Coated Steel case. With its 20mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-98e1bec5548e]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1979

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