Seiko Cal. 4478 - 439

This Kinetic model from 1979 features a 46mm Two-Tone case. With its 18mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-53328f5c8e5b]

Also known as: Sumo, Navigator

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

29j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1979

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