Seiko Cal. 6647 - 859

The Seiko 6647-859 represents an important milestone in Seiko's 1977 lineup. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-b4683c8a163c]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1977

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