Seiko Cal. 6647 - 840

This Solar model from 1979 features a 35mm PVD Black case. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-ea893251727d]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1979

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