Seiko Cal. 4447 - 640

The 4447-640 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4447 caliber with 24j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-7477bf809e11]

Also known as: Pogue

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1980

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