Seiko Cal. 6657 - 968

This Automatic model from 1972 features a 46mm Stainless Steel case. With its 18mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-797f6da17a14]

Also known as: UFO, Emperor

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

25j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1972

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