Seiko Cal. 4430 - 966

The 4430-966 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-d6e2950ec86f]

Also known as: Navigator, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1972

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