Seiko Cal. 4428 - 155

The Seiko 4428-155 represents an important milestone in Seiko's 1971 lineup. With its 22mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-f54a4f7d2b5d]

Also known as: Turtle, Bullhead

Specifications

Movement

Solar

Case Material

Titanium

Case Width

38mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

25j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1971

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