Seiko Cal. 6647 - 564

The Seiko 6647-564 represents an important milestone in Seiko's 1990 lineup. Powered by the 6647 caliber with 22j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-72bdc0747149]

Also known as: Crown, Flighty

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1990

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