Seiko Cal. 4428 - 672

The Seiko 4428-672 represents an important milestone in Seiko's 1984 lineup. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-ff6e4c737af1]

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1984

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