Seiko Cal. 6647 - 789

The Seiko 6647-789 represents an important milestone in Seiko's 1974 lineup. Powered by the 6647 caliber with 32j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-967c31dc736e]

Also known as: Turtle, Flighty

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Champagne

Jewels

32j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1974

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