Seiko Cal. 6688 - 552

This Automatic model from 1971 features a 46mm PVD Black case. With its 22mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-985c60b2318c]

Also known as: Crown, Emperor

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

28j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1971

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