Seiko Cal. 4419 - 906

This Spring Drive model from 1976 features a 45mm Hardlex-Coated Steel case. With its 21mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-287602de5ab1]

Also known as: Sumo, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1976

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