Seiko Cal. 6647 - 561

This Hand-Winding model from 1978 features a 36mm Stainless Steel case. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-6166bd1054f1]

Also known as: UFO, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

19j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1978

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