Seiko Cal. 6647 - 454

The Seiko 6647-454 represents an important milestone in Seiko's 1986 lineup. Powered by the 6647 caliber with 22j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-24b4f3d60745]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1986

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