Seiko Cal. 6647 - 409

The Seiko 6647-409 represents an important milestone in Seiko's 1972 lineup. The Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-4a35c2c7f868]

Also known as: Emperor

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

14.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1972

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