Seiko Cal. 4428 - 390

The Seiko 4428-390 represents an important milestone in Seiko's 1969 lineup. It features a Cream dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-7409d656e794]

Also known as: Pogue, Navigator

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Cream

Jewels

26j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1969

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