Seiko Cal. 6646 - 821

The Seiko 6646-821 represents an important milestone in Seiko's 1981 lineup. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-9f277d6761f9]

Also known as: Pogue, Emperor

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

24j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1981

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