Seiko Cal. 4420 - 830

This Quartz model from 1971 features a 34mm PVD Black case. With its 18mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-d5cc7b1c423a]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

17j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1971

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