Seiko Cal. 4428 - 979

The Seiko 4428-979 represents an important milestone in Seiko's 1985 lineup. With its 19mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-bf7e6f3ed5bb]

Also known as: Silverwave, Emperor

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

38mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1985

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