Seiko Cal. 4430 - 769

This Spring Drive model from 1983 features a 38mm Stainless Steel case. With its 22mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-b83a8d2dc305]

Also known as: Sumo, Silverwave

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1983

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