Seiko Cal. 4421 - 575

This Spring Drive model from 1973 features a 43mm Titanium case. With its 18mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-6d7f8feb0ac6]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

White

Jewels

32j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1973

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