Seiko Cal. 4426 - 730

The Seiko 4426-730 represents an important milestone in Seiko's 1973 lineup. With its 19mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-8111d8431006]

Also known as: Monster, Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1973

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