Seiko Cal. 4426 - 216

The Seiko 4426-216 represents an important milestone in Seiko's 1978 lineup. With its 18mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-8d972b99c39c]

Also known as: Sumo, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

White

Jewels

29j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1978

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