Seiko Cal. 3891 - 444

This Spring Drive model from 1990 features a 42mm PVD Black case. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-fe55df6f631b]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1990

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