Seiko Cal. 6647 - 939

The 6647-939 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6647 caliber with 25j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-585dcb6e2a44]

Also known as: Shogun, Rally

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Burgundy

Jewels

25j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1983

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