Seiko Cal. 4430 - 957

This Hand-Winding model from 1978 features a 34mm Stainless Steel case. With its 19mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-627710ee10af]

Also known as: Monster, Emperor

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1978

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