Seiko Cal. 4428 - 401

The Seiko 4428-401 represents an important milestone in Seiko's 1991 lineup. It features a Black dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-9df3ed2e6866]

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1991

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