Seiko Cal. 4428 - 674

The Seiko 4428-674 represents an important milestone in Seiko's 1967 lineup. With its 21mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-a677c699cc6a]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Cream

Jewels

22j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1967

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