Seiko Cal. 4447 - 721

This Kinetic model from 1979 features a 42mm Two-Tone case. Powered by the 4447 caliber with 20j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-8c9cb4cb99a4]

Also known as: UFO

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1979

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