Seiko Cal. 4428 - 344

The Seiko 4428-344 represents an important milestone in Seiko's 1972 lineup. With its 22mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-c2edd716dd48]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1972

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