Seiko Cal. 4430 - 930

The Seiko 4430-930 represents an important milestone in Seiko's 1970 lineup. With its 20mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-dbef1efd37d4]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1970

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