Seiko Cal. 4424 - 642

The Seiko 4424-642 represents an important milestone in Seiko's 1965 lineup. With its 22mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-6013f14a53c1]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Navy

Jewels

19j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1965

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