Seiko Cal. 4427 - 361

This Quartz model from 1966 features a 40mm PVD Black case. With its 18mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-a4cb5c4902c0]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Cream

Jewels

32j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1966

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