Seiko Cal. 4421 - 670

This Solar model from 1979 features a 42mm PVD Black case. With its 18mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-d3d555fef3f5]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1979

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