Seiko Cal. 6638 - 830

This Quartz model from 1967 features a 34mm PVD Black case. With its 20mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-dea4784fadf1]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1967

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