Seiko Cal. 6639 - 151

This Quartz model from 1967 features a 46mm PVD Black case. With its 21mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-2fa3ad506af1]

Also known as: Sportsmatic, Navigator

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

34j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1967

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