Seiko Cal. 4426 - 720

Released in 1978, the Cal. 4426 with design code 720 was part of Seiko's domestic market collection. With its 18mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-44586dab1fe2]

Also known as: Turtle, Sportsmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Cream

Jewels

29j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1978

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