Seiko Cal. 4430 - 158

This Spring Drive model from 1975 features a 40mm Titanium case. With its 22mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-9528024a2ddd]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1975

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